John Locke Government Essay

Without a civil society, all rules of order begin to break down. At this point, there really is no society present. Rather, there is anarchy and an anarchistic society is not one where the populace can be reasonably cared for and protected. John Locke puts forth many assessments in this regard. However, Locke also understands that the current state of society will often play a role in terms of how we react to it. In Richard II, we have a monarchy of a society that fails to be civil in a number of ways. Because of this, action is taken by certain members of the populace. This does raise questions regarding whether or not the actions of these characters in the play support or undermine the theories of John Locke as they relate to the civil society. A closer examination of the play will reveal answers in this regard. In the play, we see certain callous and decidedly not well thought out actions on the part of Richard II. In the early stages of the play, the king interferes in a dual between Bolingbroke and Mowbray. The former is banished for 6 years as a result of his actions with the latter is banished forever. This creates great animosity among Mowbray and his followers while also setting the stage for the creation of a serious enemy. Such actions are further compounded when Richard appropriates all the land of John of Gaunt for himself when the character passes away. Are such actions those of a ruler that professes to oversee a civil society? A great many arguments can be made that such actions are hardly noble in their intent and action. At the core of Locke’s writing is that there really is no such thing as a divinity among the kings that rule a particular land. In other words, kings are not divine beings that can impose their will on the populace in any way they see fit. There are various John Locke, Government, and RICHARD II – Page 2 reasons why Locke promotes such a notion. Firstly, he recognizes that kings are human beings and, hence, fallible as all humans are. This can lead to kings being self-serving as opposed to serving their subjects and the rule of law. When both of these components are ignored, the civil society breaks down. Also, it becomes impossible for proper governance to exist unless deep and serious thought is put forth towards the nature and role of ruling. So, when a king puts forth the attitude that all things are good because of his divine will, society runs the risk of collapsing. Why is this so? Mainly, it is because no logic is being employed by the ruler. Rather, the king believes all things decreed correct because the king is infallible. This does little more than set the stage for the collapse of the king’s rule as well as the collapse of the civil society. We can see this in RICHARD II in several ways. Richard slowly seems to lose his grip on proper rule and becomes a self-serving entity. During the events of the play, we learn that Richard’s kingdom is involved in a long, bitter, and protracted war with Ireland. As such, the need for making proper and accurate decisions is a must. Poor decisions can undermine the effectiveness of the war effort which, in turn, can lead to a collapse of the kingdom. Early in the play, Richard is accused of not properly managing the war effort as evidenced by his personal appropriations of Gaunt’s wealth among other improprieties. This sets in motion the idea that he must be disposed as the ruler of the kingdom. John Locke, Government, and RICHARD II – Pg 3 While all rulers will be criticized at some point, the most stinging criticism would be that the leader does not hold the fabric of society together. Rather, he contributes to the collapse of society. An argument of these sorts can be made towards the rule of Richard II. Of great concern to Locke is the notion that the population has a right to private property and that any government or ruler that infringes on private property is little more than a tyranny. In the context of RICHARD II, there is a ruler that has no respect for private property as evidenced by his unlawful seizing of land and wealth. This poses the question when a king acts lawless, is there any law to the land? Locke also was an avowed believer in the notion that government must represent the will of the people. Those governments that do not provide for the populace in such a way will run the risk of being legitimately overthrown by the motivated members of the populace. We see such events played out in RICAHRD II in many different ways. Ultimately, all the actions of King Richard promote the notion that he does not serve his subject. Rather, he serves his own personal goals with little regard for the life and property of those he is entrusted to care for. One could say that RICHARD II truly does provide a clear interpretation of the problems with government detailed in John Locke’s SECOND TREATISE OF GOVERNMENT. As such, it would be safe to infer that Locke would hardly approve of the way Richard II rules. Considering the downfall of the king in the play, Richard II would have been better served had be been guided by Locke’s philosophical approach to government.

Brain Response of Behavior

The communication process of neurons in the brain is a complex electrochemical process from one neuron to the next in a series of chemical reaction to pass the message (Charles, 2002). However, the message to be passed precedes the process of communication involved. The message to be communicated to the brain neurons originates from the senses of sight, touch, taste, smell and sound.The neuron’s dendrites usually receive a chemical message from the neighboring neuron which generates or triggers off a chemical reaction to form nerve impulse.The generated nerve impulse or action potential travels down the neuron tube referred to as axon through the terminal button at the end of that neuron. At this end, the message carried is passed to the next adjacent neuron through a synapse. However, the synapse has a gap called synaptic cleft that message neurotransmitters should diffuse through to the next nerve cell’s dendrites. The electrical message to be diffused through synapti c cleft is contained in synaptic vesicles with several neurotransmitters.The neurotransmitters on the presynaptic neuron or neuron that has the message to diffuse through synaptic cleft to the postsynaptic neuron or on the receiving neuron must be in appropriate key and fit structures (Charles, 2002, p. 63). This is necessary to enhance successful neurotransmitters binding after diffusion. Once the neurotransmitters are diffused through the synaptic cleft, they bind to the dendrites of postsynaptic neuron and release the chemical message that triggers off or stimulates neuron chemical changes.Thereafter, the process repeats as the previous one for this neuron until it moves message to the next nerve cell and communication enhanced. It is a point of worth to note that, once message diffuses through the synaptic cleft to the postsynaptic neuron, there are several neurons that shall receive the message but only specific neuron that is compatible to the message is shall successfully rec eive and pass it by to the next neuron.For example, if there is need for body temperature control, the neurons that are specialized in body temperature control messaging only shall facilitate communication to the brain; and after interpretation by the brain the same neurons shall carry message to the hypothalamus. Then hypothalamus gland shall release hormones to increase liver activities, constriction or vasodilatation of blood vessel, follicle hair behavior and personal behavior to respond to cold by warming or wearing heavy clothes or hot weather by wearing light clothing (Albert, 2002).Neurotransmitters and their effect on behavior The observable behavior is a result of brain interpretation and stimulated action course. However, it should be noted that the brain ability to influence behavior is highly dependant on neurotransmitters contained in the synaptic vesicle. The neurotransmitters have the capacity to influence the message being passed and the outcome in terms of behavior exhibited. In this regard, neurotransmitters are chemical agent in the neurons that are responsible for facilitating message movement from one neuron to the adjacent one through axon (Charles, 2002).To this effect, neurotransmitters are either excitatory which allows communication or inhibitory that hinders information passage depending on the nature of message being passed on. But effects of neurotransmitters whether inhibitory or excitatory are different depending on the nature or receptor. Some common examples of neurotransmitters are: Acetylcholine which is an excitatory neurotransmitter dealing with the muscle tissues especially the heart muscles to facilitate blood pumping mechanism.Epinephrine is concerned with energy provision for urgent confrontation such as immediate flight or fight by producing glucose as a ready energy to an individual. Another neurotransmitter is the Serotonin which is concerned with person’s mood and insufficient leads to mood disorders such as depression and anxiety disorders. Oxytocin is concerned with maternal related behaviors such as mammary glands, sperm production and ovary release in sexual related behaviors. On contrary to excitatory neurotransmitters, Dopamine is an example of exhibitory neurotransmitter that inhibits action potential in motor neuron.Abnormal quantity of Dopamine results to Parkinson’s disease and substance addition (Charles, 2002; Albert, 2002). Part II: major regions of the brain and their functions on behavior The brain is a complex structure that is divided into specialized parts or regions that perform specialized function. The importance of specialization and brain parts division is not only in brain processing information and generating responses, but the specific impact on behavior of an individual generated by each specialized part. In this regard, the brain has three main regions: cerebral cortex, limbic system and the brain stem (Charles, 2002).The brain stem is the most primit ive part of the brain that is located at the joint where the spinal cord enters the brain (Charles, 2002). This part of the brain contains such sub-parts as reticular activity system, medulla and the Pons. The main function of this part of the brain is for autonomic functions deemed as necessary for survival such as health, food, shelter and security seeking behaviors. For instance, when a person falls ill, the brain stem triggers off the course of action to seek medication or health care, thus such an individual shall move towards the hospital premises than to any other direction of food or security.The cerebral cortex is brain region that is on outer part that covers the brain (Charles, 2002). By virtue of covering the brain, the cerebral cortex is considered as the largest part of the brain. The behavioral function of the cerebral cortex involves higher cognitive processes such as memory process that enhances language, thought and learning. Therefore, behaviors such as performanc e in academic work, ability to retain and remember, verbal fluency and speech development are controlled and generated by the cerebral cortex.Limbic system (Charles, 2002) is the third region of the brain with structures such as hippocampus, thalamus, amygdale and hypothalamus. This part of the brain is responsible for emotional related behaviors of individuals such as motivation, memory functions, and physiological functions. For instance, amygdale is responsible for behaviors such as anger, fear and aggression. The hippocampus sub-structure involves the functions of memory such as information coding and processing into short term and long term memories. Hypothalamus is responsible for emotional behaviors such as hunger, sexual feelings, thirsty and reproduction behaviors.

Aaron Douglas. Bio Essay

Aaron Douglas ?â€Å"Aaron Douglas was an African American painter and graphic artist who played a leading role in the Harlem Renaissance of the 1920s and 1930s. His first major commission, to illustrate Alain Leroy Locke’s book, The New Negro, prompted requests for graphic from other Harlem Renaissance writers. By 1939, Douglas started teaching at Fisk University, where he remained for the next 27 years (Biography 1). † He made numerous contributions at Fisk University. ?On May 26, 1899, Aaron Douglas was born in Topeka, Kansas. During his time in the Harlem Renaissance, Douglas helped to guide the artistic and literary movement. He is sometime referred to as the ‘Father of Black American Art. Douglas developed an interest in art early on, finding some of his inspiration from his mother’s love for painting watercolors (Biography 1). † Proceeding graduation in 1917 from Topeka, Kansas, Douglas enrolled in the University of Nebraska, which is also know n as Lincoln. â€Å"There he pursued his passion for creating art, earning his Bachelor of Fine Arts Degree in 1922 (Biography 1). † At the same time, he connected with students of Lincoln High School in Kansas City, Missouri to share his interest of art with them.After two years of bonding with his pupils, Douglas decided to migrate to New York City. New York’s Harlem neighborhood had a thriving art scene; therefore it would not take any time for Douglas to get use to New York.? Reaching New York in 1925, Douglas swiftly became familiar with the Harlem’s cultural life. He began his career in New York as an apprentice for Winold Reiss, a German artist whom he met through Charles S. Johnson. Being an apprentice for Reiss only lasted two years before he continued on to became the editor of Opportunity, the National Urban League’s magazine. Through his covers for Opportunity and The Crisis, Douglas set forth a new vision for the black artists. His strong, ge ometric forms and Egyptian profiles resulted in a style later described by cultural critic and educator Richard Powell as ‘Afro-Cubism (Aiga 1). † In 1926, Douglas finally stepped up to the plate and married Alta Sawyer. Mrs. Alta was a teacher as well. Their home became a social Mecca for the likes of Langton Hughes and W. E. B. Du Bois. â€Å"Around the same time, Douglas loaned his talents to the first and only issue of Wallace Thurman’s magazine FIRE!! nd later designed the cover of Thurman’s short-lived magazine Harlem (Aiga 1). † With Douglas reputation for creating compelling graphics, he became an in-demand illustrator for many writers (Biography 1). † A few of Douglas popular illustrations consist of James Weldon Johnson’s poetic work, God’s Trombone (1927), and Paul Morand’s Black Magic (1929). â€Å"In addition to Douglas illustration work, he explored educational opportunities; after receiving a fellowship from the Barnes Foundation in Pennsylvania, he took time to study African and modern art (Biography 1). This experience led him to creating some of his best-known paintings in the 1930s. Meanwhile, Douglas was hired to produce a mural for the library at Fisk University. Continuing to broaden his horizon, Douglas spent time in Paris, where he studied with Charles Despiau and Othon Friesz. â€Å"Back in New York, in 1933, Douglas had his first solo art show. Soon after, he started one of his most legendary works – a series of murals entitled â€Å"Aspects of Negro Life† that featured four panels, each depicting a different part of the African-American experience.Each mural included a captivating mix of Douglas’s influences, from jazz music to abstract and geometric art (Biography 2). † ? Returning to Fisk University in the late 1930s, Douglas served as an assistant professor, and shortly after he founded the school’s art department. Because Douglas was v alued his educational responsibilities, he attend Columbia University’s Teachers College in 1941, and completed three years earning a master’s degree in art education. â€Å"He also established the Carl Van Vechten Gallery at Fisk and helped secure vital works for it collection, including pieces by Winold Reiss and Alfred Steiglitz (Biography 2). Outside of his works in his classroom, Douglas remained committed to learning and growing as an artist. â€Å"He received a fellowship from the Julius Rosenwald Foundation in 1938, which funded his painting trip Haiti and several other Caribbean islands. He later won other grants to support his artistic endeavors (Biography 2). † Douglas had several solo exhibits over the years from his continuation to produce new works. ?Douglas received countless honors during his later years. â€Å"In 1963, he was invited by President John F.Kennedy to attend a celebration of the centennial of the Emancipation Proclamation, held at the White House. Douglas also earned and honorary doctorate from Fisk University in 1973, seven years after his retirement from the school (Biography 2). † He still remained an active painter and lecturer until the end of his life. On September 2, 1979, Douglas passed away at the age of 79, in a Nashville hospital. According to some reporters, he died of a pulmonary embolism. â€Å"Pulmonary embolism is a sudden blockage in a lung artery. The blockage usually is caused by a blood clot that travels to the lung from a vein in the leg (NIH 1). ? After Douglas death, a special memorial service was held for him at Fisk University, where he taught for nearly 30 years. â€Å"At the service, Walter J. Leonard, the university’s president at the time, remembered Douglas with the following statement: ‘Aaron Douglas was one of the most accomplished of the interpreters of our institutions and cultural values. He captured the strength and quickness of the young; he translate d the memories of the old; and projected the determination of the inspired and courageous (Biography 2). †

Domino's Pizza VS. Pizza Hut Assignment Example | Topics and Well Written Essays - 5500 words

Domino's Pizza VS. Pizza Hut - Assignment Example Originally, the company was known as Dominick’s until it was purchased by Tom Monaghan who was the sole of owner of Domino’s. He saw some rapid growth in the company and after 38 years of success, Tom Monaghan sold over 90 percent share to Bain Capital Inc. The company stayed as a private limited company; however, after 6 more years, the shares were issued in the New York Stock Exchange under the symbol of DPZ. Since then, the company has been a hot attraction for investors. VLCEK, D. J., & DAVIDSON, J. P. (1992). The domino effect: how to grow sales, profits, and market share through super vision. Homewood, Ill, Business One Irwin. Papa John’s Pizza is another famous pizza delivery corporation in the U.S and is one of the largest pizza chains in the world. It is headquartered in Louisville, Kentucky. Papa John’s has also been growing internationally with over 500 franchises in more than 30 countries. Thin crust pizza has been the company’s specialt y since its start. The company is a public limited company with thirty percent of its shares with John Schnatter, the founder of the company. Fast food companies have been a major attraction for investors during the years as they see greater potential returns. Restaurants such as McDonalds have received a lot of positive reviews in terms of performance and now the investors are looking to invest in other food companies like Papa John/’s and Domino’s. FRANCHISEHELP, INC. (1998). Papa John's: better ingredients, better pizza. Elmsford, N.Y., FranchiseHelp. To compare different companies, the potential investors need to look at the final accounts of the company which include a profit and loss account/ Income statement, the balance sheet, and the cash flow statement. These are the 3 financial accounts that are enough for any investor if he/she needs to find compare 2 similar companies for a higher return. The financial statements measure the performance, the liquidity and the financial worth of the business which is essential for all future shareholders. However, the statements are not solely enough for the decision to invest. Ratio analysis has been widely used by several companies in order to make better decisions. These ratios can help an investor compare different companies for a higher return. As these 2 top fast food chains are public limited companies, their financial statements are available on their specific websites. This information needs to be disclosed as the trading is done in the stock exchange and the public needs to buy there share therefore; the information needs to be available to the public. The accounts for both the companies are drawn below with the latest data from the end of the last financial year of the company. Financia l accounts of both the pizza chains The income statement shows the performance of the business in terms of its basic operations. The profit that is made shows how efficient has the business been in the financial year. Domino’s Pizza Inc. Income Statement For the Years Ended January 3, January 2, 2010 $000 2011 $000 REVENUES: Domestic Company-owned stores

African American Essay Example | Topics and Well Written Essays - 1000 words

African American - Essay Example nds to look into the history of anti-black oppression for the period from 1865 to 1941, that is, Reconstruction and the time of Jim Crow, and identify how blacks adopted various strategies to resist the onslaught. The Civil War was disastrous for the South. Lasting from 1861 until 1865, it killed a considerable number of people, and devastated the Southern aristocracy in all means. As the Thirteenth Amendment was accepted, the blacks became a freed lot instantaneously. They eagerly started pursuing everything the free people did. For example, they started political actions, opened churches and schools, bought arms, drank liquor, and owned dogs. Though there was the call for a New South, there was no significant improvement in the condition of the African-Americans. Many of them were forced to continue as sharecroppers and tenant farmers because the textile, iron, and steel factories preferred white women instead of blacks (Gao, 2000, pp. 59-60). This kind of discrimination is evidenced in the story of Frances, the black daughter of a white man, Emmanuel Driggus. Though Emmanuel tried his best to save the girl from slavery, the judicial system did not allow that. Though she approached a court of law alleging her master of fathering her child, she was punished for fornication but the person she accused was set free as the court was not ready to take a black woman’s word against a white man (Aurora, 2013). Though the Civil Rights Act of 1875 abolished discrimination in public places, there was a flood of court cases against the Act, resulting in the infamous Jim Crow laws (Morrison, 2003, p. 71). This created an atmosphere promoting white racial superiority, and violence and lynching of blacks rose sharply (Hine, Hine & Harold, 2011, p. 97). Another serious trouble faced by the blacks was the attempts to deny their voting rights. Though the Fifteenth Amendment offered them the right to vote, many southern states attempted to deny their rights through various

The essay should apply economic analysis to a real world situation or

The should apply economic analysis to a real world situation or issue - Essay Example Nonetheless, irrespective of the diverse challenges facing the global economy presently, continental Europe poses the biggest threats to the growth of the world economy (Economist, 2014). Presently Germany is witnessing a fall in terms of growth. Based on the contribution that Germany makes to the Eurozone, this means that the euro area will head towards its third recession in a period of six years. Irrespective of the efforts that the leaders of the Eurozone have made to boost the growth of the region and save the dominant currency, they have ended up wasting two years without any progress (EurActiv, 2015). Italians and the French have for instance embarked on introducing structural reforms while Germans have supposed strictness of operations, and these efforts have not been effective in boosting growth in the region. In the European region, more than eight countries are witnessing falling prices. The overall rate of inflation has gone down considerably to about 0.3 percent, and will deteriorate further in the coming years. The Eurozone comprises of about one-fifth of the global output. Thus, with the rate at which the region is witnessing deflation and stagnation, it is likely that this effect will prevail in different parts of the world, leading to global stagnation in the coming years (Los Angeles Times, 2015). Despite the effect being felt in Europe, several optimists both outside and inside Europe refer to the example of Japan. During the late 1990s, Japan witnessed a major deflation, which has unpleasant effects. This deflation did not have the major influence on the country or the world. However, based on the events taking place in the Eurozone, it is apparent that more dangers will emerge. Unlike in the case of Japan, the case of the Eurozone is not secluded. From America to China, the rate of inflation is considerably low and falling. Unlike Japan’s case, whose society is

How advertising has changed the perception of womens self-esteem Essay

How advertising has changed the perception of womens self-esteem - Essay Example This essay "How advertising has changed the perception of women’s self-esteem" describes the alteration in women’s self-esteem brought by the media and advertising as they experience great pressure to cope and adapt to the world around them. Contemporary western culture strongly eulogizes the virtues of products and interventions which seek to enhance one’s physical appearance, through aggressive advertisement campaigns aimed at appealing to the sensibilities of the vulnerable target groups – the female consumers. This is evident from the gamut of television advertisements promoting and advocating the merits of medical alterations and the use of cosmetic products which promises the proverbial "fountain of youth" to the ageing population, and enhanced sex appeal to the youth. Such an increased penetration of medical marketing and cosmetics as tools to increase one's social standing and elevate their likeability within the contemporary society has generated a greater awareness regarding such products and at the same time, significantly transformed the very definition of "ideal beauty". It now encompasses a term which refers to the achievement of unrealistic beauty standards which are acquired through the normalization of an individual's body which are in sync with the digitally enhanced images and those unattainable through natural means, i.e., cosmetic surgery. The fixation with slenderness as an ideal body type and an unrivalled eagerness to conform to the widely accepted social standards of beauty has provided an added boost to the cosmetics industry.

How has leadership thinking evolved from traditional 'great man' Essay

How has leadership thinking evolved from traditional 'great man' theories to more contemporary theories of leadership - Essay Example The theories do not pursue a firm sequential pattern, although the models may be grouped by era. Leadership has evolved through eras of the Great Man theory, trait theory, behavioral theory, situational theories and contemporary theories. Great men theory suggests that some people were naturally born leaders. Trait theory looks at the elements that are common among famous leaders. Behavioral theories assert that behaviors are the single most characteristic that makes up a leader. Contingency and situational models uphold that the interaction involving leader’s characteristics and conduct and the situation at hand make the leader. Other contemporary theories focus on interpersonal elements that look at followership (Ballus, 2010, para 5). Great man theories/ Trait theories Trait theory was one of the systematic attempts to study leadership in the early 20th century. In the approach, traits of great leaders such as Winston Churchill were studies to determine what makes great lea ders. The theories developed were referred to as ‘great man’ theories as they focused on spotting the innate qualities and characteristics possessed by political, social and military leaders. Prominent leaders’ traits greatly contribute to the trait theory such as Mahatma Gandhi, Bonaparte napoleon and Abraham Lincoln. It was widely believed that people intuitive with these qualities and that simply the â€Å"great† people have them. Some of the traits put forward are such as intelligence, alertness, responsibility, insight, self confidence, sociability, motivation, persistence, initiative, tolerance, cooperativeness and drive. Others are such as cognitive abilities, conscientiousness, extraversion, agreeableness and social and emotional intelligence. In the mid 20th century, the trait theory of leadership was questioned on the basis of universality of leadership traits. It was held that no consistent set of traits differentiated leaders from non-leaders i n an assortment of situations. A person with leadership traits in one circumstance may not be a leader in another situation (Daft, 2008, p 22). Behavioral theories The limited ability of traits to forecast effective leadership led researchers to review a person’s behavior rather than personal traits as a means of increasing leadership effectiveness. Behavioral theories proponents believed that leaders may well be identified by what they do rather than what they have. Certain behaviors such as the degree of flexibility, extent of control, concern for task accomplishment and concern for the followers determine the kind of leadership to exercise. For instance, McGregor held that leaders treat subordinates depending on the postulations they hold with regard to what energizes workers. In his theory X, McGregor presents a pessimistic view of workers whilst theory Y presents a fairly optimistic view of human nature. Leaders who subscribe to theory X consider that workers need to be controlled and threatened to make them work, which results in adoption of an autocratic style of leadership. Theory Y style of a leader believes that workers are rational people who consider work as part of everyday life. As such, the leader uses a participative/democratic style of leadership. Leader attributes in behavioral theories morphed from inherent to particular and teachable. Apparently, leadership styles could be learned as behavioral theorists created training programs. Behavioral theor

Bad News Message Assignment Example | Topics and Well Written Essays - 500 words

Bad News Message - Assignment Example Include your full name, address, day time phone number, and a brief but clear description of the malfunction with a check of $100 for initial examination. After assessing the equipment, we have to apologize that the extent of damage is irreparable and cannot be replaced. You can however choose to repair the equipment within our service centers or acquire a whole new set of equipment. We are giving you this option to ensure that your work is not stalled. Kindly reach us through our contacts immediately. If you choose to repair the equipment with us, the $100 will be applied towards your bill, the balance of which is payable by check or credit card. Super Equipment Inc. also has service centers available in your area. If you would prefer to take the equipment to one of the centers, please see the enclosed list. Thank you again for inquiring about our services. I have enclosed a catalog of our latest equipment, parts and accessories in which you will find Super Equipment Incorporation’s â€Å"Trade-up Special†. If you are ready to move up to our new equipment model, we will offer you a generous trade - in allowance on your current

CEO Paper Essay Example | Topics and Well Written Essays - 2500 words

CEO Paper - Essay Example Iacocca had adequately displayed through his actions that he is a fair but firm manager; that he assumes full responsibility for his actions; that he is an optimist who seeks opportunities in the face of overwhelming problems; that he goads his managers into maintained discipline by requiring them to face the problem and make tough decisions; and finally that he is a leader as well as a manager. Iacocca admits to some shortcomings, such as giving in to the pressure of union demands in fear of bankruptcy, but there is no perfect executive. For all intents and purposes, Iacocca has demonstrated that he embodies the tenets of Henman, Drucker, Kotter, and Heifetz and Laurie. The theories are therefore validated, in so far as concerns the leadership style of Lee Iacocca. ... Iacocca was known for discontinuing certain models in favor of what turned out to be best sellers, namely the Mustang, the minivan, the Jeep Grand Cherokee, and the convertible Le Baron (Nulty & De Llosa, 1993; Taylor & Schonfeld, 1992). The following discussion explores the leadership style of Lee Iacocca, and how he manifests the leadership principles described by Henman, Drucker, Kotter, Heifetz and Laurie. F2 Leadership (Linda Henman, 2011) F2 is short for ‘firm but fair’ leadership, meaning that the executive treads the middle ground between relationship behavior on the one hand, and task accomplishment on the other (Strategy Driven, 2011). Evidence of Iacocca’s sense of fairness is his pronouncement when he first took over Chrysler that he would accept only $1 as his salary which the company was in distress, until such time as Chrysler would have recovered and been stewarded back to a firmly stable growth path. Iacocca admitted that as chairman, he was persu aded to give in a bit too much to the unions, and it showed weakness on his part. â€Å"I was part of that (giveaways to union contracts). You always knuckled under because if you took a 2-week strike in the old days, it could bankrupt you†¦But they really had you.. You can’t pay a janitor $50 or $60 an hour to sweep the floor. That’s a little wacko’ (Iacocca, quoted by Smith, 2006). However, when tough decisions had to be made, the Chrysler CEO did not balk. In order to save Chrysler from bankruptcy, Iacocca had persuaded the Federal government to extend to it a $1.5 billion loan guarantee in 1980. In 1983, seven years before its deadline, the company had fully paid off all federally backed loans. How Iacocca did this was by making some very difficult

Standardized Testing Essay Example for Free

Standardized Testing Essay Standardized testing is seen as the answering to improving public education in the United States. Students face district- and state- mandated tests as well as national ones. However, standardized testing is not the answer to improving education. Teaching skills and learning environments both are effective ways to improve education. Tests are only used to evaluate how well a teacher is doing, therefore students shouldn’t have to take them. â€Å"Giving answers under pressure without help or guidance, knowing no second chance will be given to pass is stressful (Mori, 139). Kids in today’s generation are expected to understand so much more than they need to. According to No Child Left Behind (NCLB) in 2002 the United States dropped from 18th in the world of math on the Program for International Student Assessment (PISA) to 31st in 2009. A similar decrease was made in the science category but no change was made in the reading assessment. Also research has been done by the National Research Council to prove that standardized testing doesn’t help the education. Standardized testing has also been claimed to be an unreliable source when it comes to determining the students’ performance. Long term changes aren’t even caused, only temporary changes in the students learning due to the studying for that specific test. After the test is out of the way children tend to forget the information. Testing brings out the anxiety in young students. The students often react to tests by vomiting, crying, or sometimes even both (http://standardizedtests.procon.org/). Tests that inflict so much pressure on one student cant possibly be helpful with improving education. Teaching skills play a major role in the improving of public education but, students can only learn as much as they are taught. Being handed a packet of information and being told to fill in the blanks is only going to show that the student can fill in the blanks. Students need the information explained and repeated so they can remember it further on in their life. When teachers are enthusiastic about a certain subject they can catch the students attention. Teachers who talk all period just bore students causing their minds to wander. A few days later a test is in front of them and they have no clue what its about. Gettting students interested in different subjects will make them want to work harder and do good on the tests. Also the teacher has to have a welcoming personality. If a student is interested in  learning about history but disagrees with the teachers ideas on teaching, the student may choose to purposely do bad on the tests so the teacher looks bad. Elementary school teachers keep the minds of children intersted in school by games and activites. Then as the child goes through middle school the teachers become slightly boring. No more pictures and diagrams or even a break in learning is used. Then high school is there in the blink of an eye and all fun is out of learning. Its all about colleges, good grades, and preparing for the future. Standardized tests cant help education improve if students arent worrying about current events in their life. Improvements in learning environments would help public education increase. From what children observe at a young age helps determine how they will be in life. To build a good learning environment both the psychologists and instructionalists perspectives are needed. People learn by experience, not by reading books and taking tests. For example, think about when going to get a job. The person needing a job will be taught by being shown what to do, how to react, and how things work (http://tecfa.unige.ch/tecfa/research/CMC/andrea95/node4.html). The people getting a new job dont learn by reading text then answering questions; they learn by hands-on expierence (some places should offer IQ tests but unfortunately they dont). Also heighly effective teaching and learning environments should make the students feel safe and welcome. Classroom effort should be shown and the teacher should praise it. If students dont work with teachers to improve situations the information being taught will be forgotten. By showing the information is still remembered a few days later makes the teacher feel as if he/she is doing well so she will continue to do so. Improving public education shouldnt be just about standardized testing. Teacher, students, and parents all need to work together to encourage children to strive to do better. All of this information simply proves that tests show nothing more than teachers ability. The tests students are required to take such as state- and district- mandated tests shouldnt even be in the cirriculum. Information on each of these tests is from each marking period which means its forgotten by the time the nest one is ready.

CARE OF CLIENT IN LABOR AND DELIVERY Essay Example for Free

CARE OF CLIENT IN LABOR AND DELIVERY Essay Within our care of the patient, we were able to identify several problems that correlated to affecting our client’s ability to carry out the labor and delivery process. We also have identified several risk factors that posed a danger to the client’s prenatal and postpartal state. Based on our analysis, problems such as fatigue related to labor and delivery process and deficient knowledge related to new condition, procedure, and treatment /delivery process. Not only have we identified problems such as the ones stated. We have also managed to identify that our client is noncompliant with regards to her health beliefs and value system, powerlessness related to inability to make decisions with respect to taking appropriate health actions and interrupted family processes related to conflict between family members. Characteristics such as this have managed to add an additional problem in affecting her health. Though we managed to provide nursing interventions on several problems, we had also identified several risks such as risk for inadequate tissue perfusion r/t decreased cellular components required for the delivery of oxygen or nutrients to the cells s/t anemia and another risk like anemia related to her ineffective health maintenance. In a time of in our care, all things identified were provided with an intervention. Interventions that are not merely dependent but also independent. And through evaluation, certain goals were met upon our care. Teenage pregnancy will always have higher risks for acquiring anemia. In our analysis of the case, Madam M’s noncompliance with taking recommended medications and inadequate prenatal check-ups may also be one of the factors that lead her to have anemia. That’s why we came up with how important the nurses’ roles are in educating the subject to being active and participative in every care of plan health workers and as well as the subject should mutually collaborate. We also have studied that her condition could have been prevented from being her current illness if only she had her adequate prenatal check-ups together with her proper diet. Although it will never be good for the nurses to coerce any individual to be obliged follow what is to  be done, but at least nurses should help the subject to realize the significance of each heath practices. We also have concluded that it will be best if the nurses should be a listener considering that the subject is a teenage r.

Sustainability In Discount Retailing at Wal Mart

Sustainability In Discount Retailing at Wal Mart Porter (2002) states that root of the problem lies in the lack of distinguishing between operation effectiveness and strategy. The expedition for productivity, quality and speed has resulted in management tools and techniques, total quality management benchmarking, time based competition, outsourcing, partnering, reengineering, change management. In any organization, strategy management is the key to its success. There are many theories based on this assumption that without a proper strategy and planning, it is difficult for any industry to survive irrespective of its size. It is necessary to understand here that all the major corporate organizations have established themselves, thanks to superior strategic planning and implementation. The retail industry is making news everywhere with not only the traditional industries increasing their outlets but some major corporate industries also intruding into this industry like Fresh @ Reliance of Reliance Industries, More of Aditya Birla Gro up in India. Wal-Mart, a US based retail industry, which is known as the giant in the retail industry has survived and is still the huge enterprise in the world which deals with almost all the FB products, apparels, etc. It is not only the largest company in world but also the largest company in the history of world.(Fishman, 2006) The present paper is divided into four sections to understand and answer as what makes Wal-Mart the best in the industry, 1) retailing industry at the time of Wal-Marts innings, 2) Wal-Marts Competitive advantage and key components, 3) Wal-Marts Strategy and 4) Sustainable growth of Wal-Mart. I. Retail Industry Wal-Mart says Hello! Strategic decisions are ones that are aimed at differentiating an organization from its competitors in a way that is sustainable in the future. (Porter, 2002) Porter strongly advocates that decisions in business can be classified as strategic if they involve some innovation and difference that results in sustainable advantage. According to Patrick Hayden et al (2002) the retailing industry adopted the style of discounting on its merchandise after the Second World War. It is learnt that discount retailing was not the strategy at the time Kmart, Target and Wal-Mart first started operating their business. Frank (2006) states that when Sam Walton was franchising for Ben Franklins variety store, invented an idea of passing on the savings to his customers and earning his profits through volume. Prior to Wal-Marts entry into the market, Sidney and Hebert from Harrison founded Two Guys discount store in the year 1946 which dealt in hardware, automotive parts and later on groceries. Two Guys was the forerunner as compared to todays retailers like Super Target, Wal-Mart which succumbed to the economic recession. Another discount store set up by Eugene as E.J. Korvette, which is often cited as first discount store which did not raise from 5 10 cents roots and eventually declared bankruptcy due to inability to compete with the new entrants. Porter (2002) states that combination of operational effectiveness and strategy is essential for superior performance which is the primary goal of any organization. He also says that a company can perform its rivals only if it can operate in different ways which are not in practice. Much emphasis had been laid on strategic positioning like variety based positioning, needs based positioning and access based positioning. Along with Wal-Mart, other stores that started operating were Target, Woolworth (Woolco) and K-Mart. However, Target has been functioning successfully, courtesy Wal-Mart, but other two failed in their operations and filed bankruptcy.( Michael Bergdahl, 2004) Porters five forces model explains what strategic decisions should be made and on what basis. The model explains the basic strategies to be considered while starting a business like bargaining power of suppliers. While franchising of Franklin he always looked for cheaper deals and thought of passing his savings to the customers and earning through the margin on volume of bulk purchases. Through the way of discount stores, shoppers were given the cheapest price as compared to any other store. In regard to threats of new entrants, Wal-Mart has been constantly in the news for acquisition of other small retail shops in view of its expansion. But nevertheless it has stiff competition from likes of Super Target, Tesco, etc. it is the w orlds biggest retail industry. II. Key Components of Wal-Mart Business Model Wal-Mart is the leader in retailing industry with fiscal revenue of $244.52 billion in 2003 making it the worlds largest corporation. Mike reports that Wal-Mart as of 2002 had 1,283,000 employees growing at 11.2%. The above data explains that strategy of Wal-Mart is extraordinary which manages and operates over 4150 retail facilities globally.The key components of Wal-Mart (The Value Chain), which offers cheap prices than its competitors includes firm infrastructure like frugal culture, no regional offices and pleasant environment to work. Managements take lots of visits and it is learnt there are no rehearsals before any meeting which is usually scheduled on every Saturday. In any organization, human resource is the key to development and Wal-Mart efficiently manages its sources. Wal-Mart terms its employees as associates. Manager compensation is linked to the profit of store operated by him, within promotions, compensation offered to associates depending on companys profits and als o offered some incentives on their performances. The workforce at Wal-Mart is not unionized as the company takes all the measures of their benefits and provides them training on related issues. Technology plays a vital role in development of the organization and Wal-Mart is well equipped with technological innovations like POS, store performance tracking, real time market research, satellite system and UPC. Wal-Mart procurement measures like hard-nosed negotiations, partnerships with some vendors, centralized buying, planning packets, etc. helps at large the cause of providing the goods and services on cheap prices. The other factors that increase the margin of profit for Wal-Mart are inbound logistics with frequent replenishment, automated DCs cross docking, pick to flight, EDI, hub and spoke system. Wal-Mart strategy of operation is innovative with big stores in small towns with monopoly in the market at low rental costs, local prices, concentric expansion, merchandising in brand name, private labels, little space for inventory, store within store, etc. In relation to marketing and sales, merchandising is tailored from locals, spent less on advertising and the prices are fixed low and it depends on the store manager to fix the latitude of pricing. All the above factors combined together form the key components of Wal-Mart which not only increase the margin of profits through bulk sales but also boost the confidence of the customers with services like point of sale information system and everyday low prices. III. Wal-Mart Strategy Wal-Mart dominates the American retailing industry due to number of factors like its business model which is still a mystery and its effectiveness in not letting the rivals let know about the weaknesses. Wal-Mart made strategic attempts in the its formulation to dominate the retail market where it has its presence, growth by expansion in the US and Internationally, create widespread name recognition and customer satisfaction in relation to brand name Wal-Mart and branching into new sectors of retailing. It is learnt that Wal-Mart strives on three generic strategies consisting of Focus Strategy, the Differentiation Strategy and overall cost leadership. Managers strive hard to make their organizations unique, distinctive and identify key success factors that will drive the customers to buy their products.Thus, firm specific resources and capabilities are crucial in explaining the firms performance. The Resource Based View (RBV) explains competitive heterogeneity based on the premise that close competitors differ in their resources and capabilities in important and durable ways. The companys capability can be found through its functionality, reliable performance, like Wal-Mart superior logistics. (Helfat, 2002) Wal-Mart has firm infrastructure, well equipped in human resource with management professionals and technologically too. Any organizations thrive hard to be successful for which it needs to have better resources and superior capabilities. Wal-Mart has strong RBV with economically and financially very strong enough to stand still in the time of crisis. Pereira states that dominating the retail market is its key strategy. Wal-Mart operates on low price strategy which is operated as every day low prices (EDLP) which builds trust among the customers.(Brunn, 2006)The strategy lies in purchasing the goods at lower prices and selling the goods to customer at much lower prices, cutting the price as far as possible and increasing the profit by increasing the number of sales. This ferociously increases the competition in the market and Wal-Mart competes with all its competitors till it is dominant it the market. Wal-Mart is expanding seriously and rapidly which is also its strategic goal. Wal-Mart employs over 1.3 associates, owns over 4000 stores out of which 3000 are in US and serves around 100 million customers weekly. Wal-Mart has acquired many international stores and merged with some super stores like ASDA in UK. Wal-Mart far flung network of retail outlets has ensured that Wal-Mart interacts with and has impact on virtually every locality within US. (Helfat, 2002) The expanded strategy has led the hunger of Wal-Mart to many European Countries. It is learnt that three countries with no Wal-Mart stores became part of corporations international presence wherein the domestic retail chains were taken over by Wal-Mart including 122 Woolco stores in Canada, 21 Wertkauf stores in Germany and 229 ASDA units in United Kingdom. The takeover strategy by Wal-Mart keeps the company at forefront when entering into the new market and the number of competitors is also minimized. The strategies have he lped the Wal-Mart to rein in number one position in international countries making it the largest retailer in the world. It is seen that Wal-Mart has significantly the Porters five force model wherein through proper strategic planning and strategic implementation has led to removal of barrier entry, rivalry from competitors and pricing norms. In regard to substitutes, Wal-Mart in order to achieve its aim of customer satisfaction has selling goods under its own legal brand. Wal-Marts big box phenomenon has changed the retailing industry in the United States which is often considered as discount stores and makes profit through high volume of purchases and low markup on profits.(Parnell, 2008)Wal-Mart with its low cost and ever expanding strategy has made a dramatic impact since 1962 when Sam Walton first started his business. With this strategy, Wal-Mart has now over 4000 stores and outlets in US and other countries through acquisition and mergers. IV. Sustainability in Discount Retailing Wal-Mart According to Porter, (2002) operational effectiveness and efficiency are the key elements of success in any organization. A company can outperform its rivals or competitors in the market only with superior management and efficient control creating a difference from the others which eventually attracts customers. Porter defines operational effectiveness as performance of similar activities as its rivals but better than them. In a study, it is stated the Wal-Mart is expert in manipulating perceptions. It is termed that low price is not the strategy of Wal-Mart but the advertisement manipulates the consumer perceptions by making them think that its prices are lower than its competitors price using price spin. Wal-Mart makes the consumer addicted coming to its stores by convincing them the prices are lower than in the other stores by selling itself cheaper by advertising that we have lower prices than anyone else and placing a opening price point. The opening price point is the lowest pr ice in the store which is kept at high visibility which makes consumer believes that the products in this store are really cheaper. (Race Cowgill, 2005) The SWOT analysis of Wal-Mart reveals that it is most powerful retail brand, reputation for money, value, commitment, and provides wide range of products. It is growing at a brisk pace with expanding its horizon to other parts of world through acquisition and merger. Wal-Mart has good opportunities in markets of Europe and China and focuses on acquiring the market through acquisition of smaller stores and merger with leaders in the specific markets. Wal-Mart is always under threat to sustain its top position in market nationally and internationally. Global leader in the industry leaves the organization vulnerable to many socioeconomic and political problems of the country. Sustainability at the top place is the most important job that makes its managers strives hard to frame the policies and strategy to compete with its rivals in the market. Slack, Imitation, Substitution and Hold-up are some of the threats to any organization in retail industry. However, Wal-Mart with its visionary goal of attaining zero waste status and reaching 100% renewable energy has planned to launch number of sustainability initiatives. (GreenBiz, 2008) Imitation increase profits by increasing the supply. But imitation puts reputation, relationship at stake. James Hall reports that Wal-Mart is planning to open convenience stores as Tesco has started and operating in US called Fresh Easy Neighborhood Markets. (James, 2008) Such tactics will create mixed response among the consumers while degrading the reputation of the leader in market. Substitution reduces the demand for what a firm uniquely provides by shifting the demand elsewhere due to changes in technology. The threats of substitution can be subtle and unexpected like minimizing expenses through videoconferencing instead of air flights to long distance meetings with its managers of other stores, etc. Therefore, substation is an especially effective way of attacking dominant rivals in the market. Substitution offers mixed responses after identifying and understanding the threats. The organization should fight the threat and merging with them, switching to different options of substitution to be in the market. Hold-up diverts the value to customers, suppliers or complementors who have some bargaining leverage which results in tough negotiations, contractual agreements and vertical integration. Wal-Mart is having great network with almost over 7800 stores and Sams Club locations in 16 markets worldwide. It employs more than 2 million associates and serves more than 100 million customers every year. According to Fishman (2006) Americans spend $26 million every hour at Wal-Mart which makes it believable that Wal-Mart is financially very strong and is capable of combating any threat from its rivals in the market. Wal-Mart is ever expanding its boundaries by way of acquisition and mergers. Thus Wal-Mart with such a vast network of stores and alliances in the forms of ASDA, Target and many other stores is well protected enough to sustain its top position in the retail industry.

Confucius Curry and a Mountain Dew Essay -- Culture

As Americans, we ridicule others based on their selection of clothing. We are snobby because of how much money we make or what we hold as an occupation. We chew with our mouths full of macaroni and curse when the soda machine is out of Pepsi. We could use some manners, or maybe just a reintroduction. Confucius thought is constructed on kindness and propriety, as well as holding the morally virtuous to be the ideal person. This philosophy exceedingly expresses value in benevolence, education, and the treatment of other people, but has hidden innuendos that would knock the petals off any flower child. In this reflection paper, I will dabble with how incorporating Confucius thought and practices would help in some areas of American society, but shun the validity of others. Money Over Everything The definition of the American Dream fluctuates from person to person, but can ultimately lead to a broad basis: With hard work and dedication, one can achieve success. And with success, comes happiness. We strive for happiness. In this journey, most come to understand that a college education is the key to becoming knowledgeable, and knowledge is important in becoming successful. Therefore, going to college can lead to success, right? Not a difficult concept to grasp. With the staggering rates of tuition bills and the dwindle of job availability, it would seem the path to success narrows each day. Those with money to cover these costs aren't usually too worried about their debts, seeing as they could squash them like ants. In America, our education is highly valued, but the value of education is incredibly too high. Confucius was not around for colleges and technical institutions, so the subject matter of his teachings did not include di... ... (Spring 2012 Edition), Edward N. Zalta  (ed.), URL = . 3.) Dawson, Miles. "Ethics of Confucius." . sacred-texts.com, 10/2007. Web. 17 Apr 2012. . 4.) . "Philosophy 312: Oriental Philosophy Main Concepts of Confucianism." Oriental Philosophy. N.p., 09/2000. Web. 17 Apr 2012. . 5.) Richey, Jefferey. "Gender and Sexuality." Religion Library: Confucianism. Patheos, 2012. Web. 17 Apr 2012. . 6.) Fader, Hallie. "The Chinese Legal Tradition." Rule of Law: The Story of Human Rights in World History. ORIAS, 07/2004. Web. April 17 2012. .

The Character of Claudius in Shakespeares Hamlet Essays -- GCSE Englis

The Character of Claudius in Hamlet      Ã‚      Shakespeare presents Claudius as a character with many faces yet the audience can clearly understand his motives and ambition throughout the play. His character does however change and we clearly see how his evilness and weakness increases as his need to escape discovery and his clandestine nature in doing so, is revealed.  Ã‚  Ã‚  Ã‚      It is in Act one scene two that we are first introduced to the character of Claudius. The impression made by him is that of a powerful and controlled man who is respected by most. His mannerisms of speech are graceful and are nothing less than the words of a king, 'to bear our heats with grief, and our whole kingdom.' Claudius is presented to us by Shakespeare as a dominant but caring king. He acts in a friendly manner to his subjects "Take thy fair hour, Laertes; thine be thine" and shows warmth to his nephew, " but now my cousin Hamlet, and my son-." To the naked eye of the audience, Claudius may even be seen as a likeable character, but we later understand Shakespeare's use of Claudius's attitude towards his family at this stage, which is unknown to us to be a whole deceitful act. Here we perceive that not only does Claudius have a great knowledge of affairs of state, "now follows that you know young Fortinbras, Holding a weak supposal of our worth." but he is also a g reat actor.      Ã‚  Ã‚  Ã‚  Ã‚   We know as the viewer of this play, that it was Claudius that committed the murder of his brother Hamlet, and that in selfish reason Claudius took to the throne along as marrying Gertrude, the past kings wife. Like the audience of the Elizabethan times, Hamlet is also mystified at this "O hasty marriage." In his superficial speec... ...Faucit, Helena (Lady Martin). On Some of Shakespeare's Characters. 6th ed. London: William Blackwood and Sons, 1899.    Knight, G. Wilson. "The Embassy of Death." The Wheel of Fire. London: Methuen and Co., Ltd., 1954. p. 38-39. http://server1.hypermart.net/hamlet/wheefire.html N. pag.    Mack, Maynard. "The World of Hamlet." Yale Review. vol. 41 (1952) p. 502-23. Rpt. in Readings on The Tragedies. Ed. Clarice Swisher. San Diego: Greenhaven Press, 1996.    Madariaga, Salvador de. "Rosencrantz and Guildenstern." "On Hamlet." 2nd ed. London: Frank Cass & Co., Ltd., 1964. p.14-16. http://www.freehomepages.com/hamlet/other/essayson.htm#demag-ess N. pag.    Shakespeare, William. The Tragedy of Hamlet, Prince of Denmark. Massachusetts Institute of Technology. 1995. http://www.chemicool.com/Shakespeare/hamlet/full.html No line nos.   

Free Speech Movement in the US :: essays research papers

Analyse the ideals and goals of the free speech movement in Berkeley. The first official protest was held in May 1960 in the San Francisco Hall. The protest was held whilst a meeting for the House of Un-American Committee (HUAC) was taking place. It was a stand against US oppression of political freedom, and with the work of HUAC hitting close to him – a Berkeley student had been subpoenaed, the students were ready to make their opposition heard.   Ã‚  Ã‚  Ã‚  Ã‚   It is important not to take the activities of the early 1960’s as independent from the years preceding it. In another time and another context, the activities of HUAC may not have been met with the same opposition. However following the wave of the civil rights movements in the mid 1950’s and more importantly the era of McCarthyism, there existed a very real and strong resistance to anything that resembled what was seen as the â€Å"witch trials† of the fifties. Interestingly, it was not the protest itself that sparked the beginning of what became known as the free speech movement. Rather it was the reaction of the media and the government that encouraged the support of students throughout the country. What was intended to be a peaceful protest was portrayed to the country as evidence of a vast â€Å"communist plot.† Dubbed as â€Å"operation abolition,† a video of the protest was released, supposedly showing how the communist were now using students to achieve their means. The plan backfired; students were attracted to Berkeley by the droves, with a new sense of determination in tow. It is probable that the administration in taking away the student’s political frontline were only aiming to subdue the civil rights movement. However the effect of banning everyone from speaking their mind had an effect unforeseen by those in charge. Students from all backgrounds and schools of political thought were united; students that under any other circumstance never would have come together. This is what made the free-speech movement unique; it was a merger of forces across the political front, only possible because the matters at stake transcended political orientation.   Ã‚  Ã‚  Ã‚  Ã‚  As outlined in the film, â€Å"Berkeley in the 60’s,† the direction of the free speech movement was not concretely defined right from the outset.

Investment and Equity Cost

2. Suppose the market portfolio has an expected return of 10% and a volatility of 20%, while Microsoft’s stock has a volatility of 30%. A. Given its higher volatility, should we expect Microsoft to have an equity cost of capital that is higher than 10%? No, Microsoft is diversifiable and it will not be affected by the changes in the market. We do not expect Microsoft’s equity cost of capital to be higher than 10%. Each stock carries its own weight. B. What would have to be true for Microsoft’s equity cost of capital to be equal to 10%? In order for Microsoft’s equity cost of capital to be 10% its beta will have to be 1. 4. Suppose all possible investment opportunities in the world are limited to the five stocks listed in the table below. What does the market portfolio consist of (what are the portfolio weights)? Stock Price/Share ($) Number of Shares Outstanding (millions) A 10 10 B 20 12 C 8 3 D 50 1 E 45 20 Total value of the market = 10Ãâ€"10+20Ãâ€"12+8Ãâ€"3+50Ãâ€"1+45Ãâ€"20= $1. 314 billion Stock Portfolio Weight A 10Ãâ€"10=100 100/1314 =0. 0761 x 100 = 7. 61% B 20Ãâ€"12= 240 240/1314 =0. 1826 x 100= 18. 6% C 8Ãâ€"3= 24 24/1314= 0. 0183 x 100 = 1. 83% D 50x 1 = 50 50/1314=0. 03381 x 100 = 3. 81% E 45Ãâ€"20 = 900 900/1314= 0. 6859 x 100 = 68. 49% Total = 100% 5. Using the data in Problem 4, suppose you are holding a market portfolio, and have invested $12,000 in Stock C. A. How much have you invested in Stock A? 12,000x(10Ãâ€"10)/(8Ãâ€"3)=$50,000

Mary, the Mother of Jesus

Mary, The Mother of Jesus By Angelus Djugash Virgin Mary Jesus is God. Jesus was born to Mary. Mary is the mother of God. St. Luke introduces Mary when the angel Gabriel was sent from God to a virgin betrothed to a man Joseph (Lk: 1:26-27). The virgin’s name was Mary. Virgin means that one does not know human love, but only the love of God. It means that one has no other thought but for the Lord. It means to remain children in the flesh and angels in the heart. It means that one has no eyes but to look at God, and ears to listen to Him, and a mouth to praise Him, hands to offer oneself as a victim, feet to follow Him fast, and a heart and a life to be given to Him. (1) Mary is the Virgin. She is the Only One. She is the perfect One. The Complete One. Conceived as such. Generated as such. Remained such. Crowned such. Eternally such. She is the Virgin. She is the acme of intangibility, of purity, of grace that is lost in the Abyss from which it emerged: in God: most perfect Intangibility, Purity, Grace. 2) Mary, Seat of Wisdom God created Heaven and Earth. Jesus, Son of God is the author of Wisdom. Virgin Mary gave birth to Jesus. Thus Mary becomes the mother of Wisdom. King Solomon prophesied Mary in a figurative style by the word wisdom. We read in Proverb â€Å" God possessed me (Mary) at the beginning of His works, from the beginning, before the Creation. From everlasting I was firmly set, in the beginning, before earth came into being, the deep did not yet exist, I was already conceived† in the minds of God. 3) â€Å"For in Mary there is a spirit that is intelligent, holy, unique, manifold, subtle, mobile, clear, unpolluted, distinct, invulnerable, loving the good, keen, irresistible, beneficent, humane, steadfast, sure, free from anxiety, all-powerful, overseeing all, and penetrating through all spirits that are intelligent and pure and most subtle. For she is a breath of the power of God, and a pure emanation of the glory of the Almighty; therefore nothing defiled gains entrance into her. For she is a reflection of eternal light, a spotless mirror of the working of God, and an image of His goodness. Though she is but one, she can do all things, and while remaining in herself, she renews all things; in every generation she passes into holy souls and makes them friends of God, and prophets. For she is more beautiful than the sun, and excels every constellation of the stars. Compared with the light she is found to be superior, for it is succeeded by the night. She reaches mightily from one end of the earth to the other, and she orders all things well. (4) Though she is but one, she can do all things, and while remaining in herself, she renews all things; in every generation she passes into holy souls and makes them friends of God, and prophets. For she is more beautiful than the sun, and excels every constellation of the stars. Compared with the light she is found to be superior, for it is succeeded by the night. She reaches mightily from one end of the earth to the other, and she orders all things well. (4) Mary, the seat of Wisdom, would remember what was said, â€Å"When He marked out the foundations of the earth, I was beside him, like a master workman; and I was daily His delight, rejoicing before Him always, rejoicing in His inhabited world and delighting in the sons of men. † (3) Immaculate Mary God created Adam in His own image. (5) Therefore, Adam was the only man created by God ‘Immaculate’. The Lord God formed the woman Eve out from the rib of Adam. (6) They lived in grace at the Garden of Eden. In eternity God knew that they would err and disobey. He had the plan to redeem the first parents and their generations. For that He had to born as a human being. He chose His mother an eternal Virgin and Immaculate. The most Blessed Virgin Mary was preserved immune from all stain of original sin. (7) It was granted from the first moment of her conception, by a singular grace and privilege of almighty God. The Father blessed Mary more than any other created person ‘in Christ with every spiritual blessing in the heavenly places’. He chose her ‘in Christ before the foundation of the world, to be holy and blameless before Him in love’. (8) She is ‘redeemed, in a more exalted fashion, by reason of the merits of her son, Jesus’. In the year 1858 when Our Blessed Lady appeared to St. Bernadette in Lourdes on March 25th, She said to her, â€Å"I Am The Immaculate Conception (Que Soy Era Immaculate Councepcion)†. She has been Our Immaculate Mother. She will ever be so until we climb up in the ladder of purity imitating her. (1) Chapter 6 – The poem of the Man-God, Page 39, Vol. 1 (2) Chapter 5 – The poem of the Man-God, Page 32, Vol. 1 (3) Proverb – 8:22-31 (4) Wisdom – 7:22-30 & 8:1 (5) Genesis – 1:27 (6) Genesis – 2:22 (7) Catechism of the Catholic Church – 491 (8) Catechism of the Catholic Church – 492

Spot Welding Is A Process Engineering Essay

Topographic point welding is a procedure when acquiring in touch with metal surface are truly joined up with by the heat obtained from opposition to electricity current flow. Work-pieces take topographic point together under force per unit area exerted by electrode. Normally the sheet come into the 0.5 to 3 millimeters thickness figure. The procedure uses non one but two forms copper metal electrodes to concentrate welding current as a little ispoti and to boot to at the same time clamp the sheet together. Pushing a large current through the topographic point will run the metal and to boot organize the dyer's rocket. The sum of energy is picked to accommodate the sheetis stuff qualities, it thickness, and to boot sort of electrode. Applying besides small energy wonit melt the steel or can do a hapless dyer's rocket. Applying besides much energy can run excessively much steel and besides do a hole alternatively of a dyer's rocket [ 1 ] . Topographic point welding involves three phases ; the 1st phase that involves the electrodes being brought to the texture of the metal and besides using a minor sum of force per unit area level.The current from the electrodes is so used rapidly. Soon after the current is removed, the electrodes stay put in topographic point to let the stuff to chill. Weld times vary from 0.01 sec to 0.63 sec harmonizing to the thickness of the metal, the electrode force plus the size of the electrodes. The equipment found in the topographic point welding procedure is made up of tool holders and to boot electrodes. The tool holders work since a scheme to keep the electrodes strongly put in topographic point and in add-on support optional H2O hosieries that cool the electrodes during the class of welding. The electrodes by and large are truly manufactured a low opposition metal, normally Cu and are structured in many different types and dimensions this depends on the application needed. Design of experiments ( DOE ) is a techniques which allow a interior decorators to find at the same clip a synergistic effects of the factors which effected the green goods any design. Design of experiments ( DOE ) will assist to find the delicate parts and besides sensitive countries within a characteristics. The interior decorator are so able to rectify these troubles and besides acquire the finest parametric quantity of design. Response surface methodological analysis ( RSM ) explores the committedness between explanatory variables and response variable in statistic. Response surface methodological analysis ( RSM ) is a sequence of design of experiments ( DOE ) to acquire some kind of optimum response. It is equal to find that explanatory variables have some sort of consequence on the involvement of reaction variables. 1.2 Problem Statement Resistance topographic point welding ( RSW ) is easy the most effectual procedure for fall ining both tantamount and to boot dissimilar metals. Resistance topographic point welding is systematically utilized in the vehicle industries for organic structure assembly production lines. The major benefits associated with topographic point welding are effectual energy utilized, and to boot high production velocities. To maximise the power and besides high quality of welding, the welding parametric quantity will be investigated. A small alteration of the parametric quantity can act upon all of the some other parametric quantities. The primary parametric quantity for topographic point welding is welding current, welding clip, push, and hold clip. These yearss, the full universe faces of energy crisis and environmental issues, energy economy and besides wellbeing have become the most of import issues for auto devising industry. To obtain these aims, weight loss is the most effectual to do the fast development and application of advanced high strength steels. In this research, DP600 is decidedly an Advanced High Strength Steel ( AHSS ) have been picked to obtain the optimal parametric quantities for the topographic point welding to finding the criterion of the dyer's rocket nugget development given that character of the stuff like light organic structure weight, low ratio of output power to tensile strength, high work solidifying capacity and besides good energy soaking up. The great formability of DP600 permits the users to better the strength of the constituents. Subsequently, the merchandises can be made stronger and to boot less unsafe under burden. Resistance topographic point welding is a cardinal engineering in vehicle assembly industries that the attack is fast and besides easy weld tonss of stuff combination which are difficult to fall in by some other welding procedure. The weld ability of different stuffs such as advanced high strength steel DP600 and to boot low C metal is to look into the quality of the nugget development because of the creative activity of hardness, tensile strength. This surveies will be to research the impact of opposition topographic point welding ( RSW ) parameters this sort of as welding current, welding clip, force and hold clip sing the development of nugget formation, focused on top of weld nugget and Heat Affected Zone ( HAZ ) . 1.3 Objective Of Study The chief intent of this survey: I. To happen the optimal parametric quantity to optimise the size of dyer's rocket nugget and Heat Affected Zone ( HAZ ) in order to obtain a good quality of Resistance Spot Welding utilizing Factorial Design and Response Surface Methodology ( RSM ) . II. To developed a mathematical theoretical account to foretell the size of dyer's rocket nugget and Heat Affected Zone ( HAZ ) utilizing Response Surface Methodology ( RSM ) 1.4 Significance of the Undertaking The development mathematical theoretical accounts can be efficaciously used to foretell the size of dyer's rocket zone which can better the welding quality and public presentation in Response Surface Methodology ( RSM ) . 1.5 Scope of Study The range of research will be study with the opposition topographic point welding procedure utilizing Factorial Design and Response Surface Methodology ( RSM ) to happen the optimal parametric quantities to optimise the size of dyer's rocket nugget and Heat Affected Zone. The stuff used is DP600 advanced high strength steel 1.0mm thickness combined with low C steel 1.0mm thickness. The machine used is C- guns type diameter 6mm. The electrode Cu alloys item as below: Alloy RWMA Class Hard Elec. Cond & A ; Desc Use To Weld CMW 3 2 83B 85 % CU + CHROMIUM CRS & A ; GENERAL WELDING The microscope used is LEICA DM 6000 which is the compound light microscope. It normally binocular ( two oculars ) . The compound light microscope combines the power of lenses and visible radiation to enlarge the topic being viewed. The ocular allows for 10x or 15x magnification and when combined with three or four aim lenses which can be rotated into the field of position and bring forth higher magnification to a upper limit of around 1000x by and large. In the lab of stuff, microscope is used to watch and catch the image of size dyer's rocket nugget and Heat Affected Zone ( HAZ ) utilizing IMAPS package that connected to the computer.. Chapter II LITERATURE REVIEW 2.0 Introduction of Resistance Spot Welding ( RSW ) Resistance Spot Welding is a procedure when steel surface are truly joined up with extremely used inside the automotive constructive application for many working old ages for the fiction of sheet metal assemblies. The attack can be used for fall ining sheet stuffs and besides takes advantage of molded Cu metal electrodes to do usage of force per unit area degree and besides convey the electric power current through the work piece. Heat is developed largely during the user interface between non one but two sheets, bit by bit doing the stuff being welded to run, organizing a liquefied pool and the dyer's rocket nugget. The liquefied pool is contained by the force per unit area degree used by the electrode tip every bit good as the environment solid steel. The opposition topographic point welding contains the advantage that is high velocity and to boot suitableness for mechanization. Figure 1: Resistance Spot Welding Machine with Work [ 3 ] The size and to boot form of the personally created dyer's rockets are limited chiefly by the graduated table and besides form of the electrode brushs. The dyer's rocket nugget signifiers at merely the resting surfaces, as shown in Figure 1, but does non widen in its entireness to the exterior surfaces. In point, the nugget have oning a right created location dyer's rocket is round or possibly elliptic in profile. Spacing between next place dyer's rockets or rows of place dyer's rockets needs to be plenty to avoid shunting or to maximum it with an acceptable sum. In Resistance Spot Welding ( RSW ) , methodological analysis is development to find the maximal welding conditions which enhance the endurance of joint parts. Response Surface Methodology ( RSM ) used to construct up a strong effectual theoretical account to expect weld strength by integrating parametric quantities these as emphasis, weld clip every bit good as the others [ 7 ] . In this instance studied from diary that has conducted as per cardinal composite face centered design for topographic point welding of 0.2 and 0.3mm thick Cu and brass speciments. Response surface theoretical account interfaced with the Genetic Algorithm to optimise the welding conditions for coveted weld strength. The welding procedure of Cu and brass produced big heat affected zone ( HAZ ) and merger zone ( FZ ) . Figure 2: Conventional represent [ 7 ] Table 1: Variables for connection of Cu- brass specimens [ 7 ] In response surface method the of import is design of experiments. Identified the factors which have a important influence on dyer's rocket strength. It is weld force per unit area, weld clip, and amplitude of quiver of horn. For 0.2 and 0.3 millimeters thick copper-brass speciments to find upper limit and minimal value of welding parametric quantities big Numberss of test tallies. From the test runs the most suited parametric quantities were identified in table 1 above. Response surface theoretical account for weld strength is a collection of mathematical and statistical techniques utile for the mold and analysis of jobs in response of involvement is influenced by variables and the aim is to optimise thsi response [ 7 ] . Then developed mathematical theoretical accounts to foretell the dyer's rocket strength. For the experiments the equation is Where Lolo is the the response of weld strength, eleven is force per unit area, weld clip and amplitude, i0, ij, ijj and iij represent the invariable, additive, quadratic and interaction footings. For the topographic point welding equations like below: After 20 experiments are conducted at different degrees of parametric quantities the value of weld strength obtained from experiments and those predicted from response surface theoretical account along the design matrix. Table 2: Weld strength and RSM [ 7 ] Figure 3: Consequence of amplitude and weld clip on weld strength [ 7 ] Figure 4: Consequence of force per unit area and weld clip of weld strength [ 7 ] Figure 5: Consequence of amplitude and force per unit area on weld strength [ 7 ] And for another experiments that used Response Surface methodoogy ( RSM ) by topographic point welding that used aluminum as a specimen [ 8 ] . They investigated consequence between aluminum froth and the metal spot-welded colum. Based on their experiment. Numeric simulation and analytical theoretical accounts was developed to partition the energy soaking up quantitatively into the froth filter constituent and the chapeau subdivision constituent and the comparative part of each constituent to the synergistic consequence. Figure 6: conventional drawing of the topographic point welding-welded used in the experiment [ 8 ] Response Surface Methodology ( RSM ) is a method to understanding the correlativity between multiple input variables and end product variable. Figure 7: Comparison of the experiment and numerical consequence [ 8 ] Figure 8: Response surface of sea for the froth filled topographic point welded column [ 8 ] Figure 9: Response surface of peak force for the froth filled topographic point welded column [ 8 ] Table 3: Optimum froth filled square column [ 8 ] From the Response Face methodological analysis ( RSM ) they get the optimal value of the T = thickness, a = thickness, denseness, force per unit area and SEA. 2.1 Electrothermal Process of Welding In opposition welding, the heat are required to make the coherency is generated by using an electric current through the stack- up of sheets between the electrodes. So, the formation of a welded articulation, including the nugget diameter and the heat- affected zone ( HAZ ) , are decidedly depends on the electrical and thermic belongingss of the sheets and surfacing stuffs. The general look of heat generated in an electric circuit can be expressed as: Q= Ii Rt ( alteration of the Ohmis Law ) [ 3 ] where Q is heat ( Joule ) , I is current ( Ampere ) , R is electrical opposition of the circuit ( ohm, O ) and t is clip ( 2nd ) which is allowed to flux in the circuit. For opposition welding, the heat coevals at all location in a weldment is more relevant than, instead than the entire heat generated, as warming is non and should non be unvarying in the weldment. That means, consideration should more on the heat rate than the entire heat, as it will find the temperature history, and, in bend, the microstructure [ 3 ] . For illustration, sing an aluminium welding, runing may non be happen if the welding current applied is low, due to the low electrical electric resistance of aluminium. In general, the electric and thermic procedure should be considered together in welding. 2.2 Spot Welds Parameter 2.2.1 The parametric quantity 1. Electrode Force The electrode force is required to squash the metal sheets to be weld and joint together. This requires a big electrode force because the dyer's rocket quality would non be good plenty. However, the force must non be excessively big as it might do other jobs. When the electrode force is increased the heat energy will diminish. So, the higher electrode force needed a higher weld current. When weld current becomes excessively high, splatter will happen between electrodes and sheets. This will do the electrodes to acquire stuck to the sheet. 2. Squeeze Time Squeeze Time is the clip interval between the initial application of the electrode force on the work and the first application of current. Squeeze clip is necessary to detain the weld current until the electrode force has attained the coveted degree [ 3 ] . 3. Weld or Heat Time Weld clip is the clip during which welding current is applied to the metal sheets. The weld clip is measured and adjusted in rhythms of line electromotive force as with all timing maps. As the dyer's rocket clip is, more or less, related to what is required for the dyer's rocket topographic point, it is hard to give an exact value of the optimal weld clip. For case: i Weld clip should be every bit short as possible. i The dyer's rocket parametric quantities should be chosen to give as small erosion of the electrodes as possible. ( short dyer's rocket clip. ) . i The dyer's rocket clip shall do the nugget diameter to be large when welding thick sheets. i The dyer's rocket clip might hold to be adjusted to suit the welding equipment in instance it does non carry through the demands for the dyer's rocket current and the electrode force. ( A longer weld clip might be needed. ) . i The dyer's rocket clip shall do the indenture due to the electrode to be every bit little as possible. ( a short dyer's rocket clip. ) . i The dyer's rocket clip shall be adjusted to welding with automatic tip-dressing, where the size of the electrode contact surface can be kept at a changeless value. ( a shorter welding clip. ) [ 3 ] . 4. Keep Time Hold clip is the clip, after the welding and occurred when the electrodes are still applied to the sheet to chill the dyer's rocket ( clip that force per unit area is maintained after dyer's rocket is made. ) . Hold clip is necessary to let the dyer's rocket nugget to solidify before let go ofing the welded parts, but it must non be to long as this may do the heat in the dyer's rocket topographic point to distribute to the electrode and heat it. The electrode will so acquire more open to have on. Further, if the clasp clip is excessively long and the C content of the stuff is high ( more than 0.1 % ) , there is a hazard the dyer's rocket will go brickle. [ 3 ] 5. Weld Current The dyer's rocket current is used during welding is being made. The sum of weld current is controlled by two things ; foremost, the scene of the transformer pat switch determines the maximal sum of weld current available ; back the per centum of current control determines the per centum of the available current to be used for doing the dyer's rocket. Low per centum of current scenes is non usually recommended because it might impact the quality of the dyer's rocket. Proper welding current can be obtained with the per centum current set between 70 and 90 per centum by seting the pat switch. The weld current should be kept every bit low as possible. When finding the current to be used, the current is bit by bit increased until weld splatter occurs between the metal sheets. This indicates that the right dyer's rocket current has been reached. Weld current besides influences the value of nugget diameter. Different value of current, it will bring forth different dimension of the nugget di ameter [ 3 ] . Figure 10: Welding Cycle The welding processes in opposition topographic point welding have 5 rhythm procedure as shown in the Figure 10. The first rhythm is the squeezing clip, where force per unit area from the electrode force is applied to the workpiece. The 2nd rhythm is weld clip, this procedure where the current is on and the welding current is applied in the metal sheets to run the sheet metal for the welding procedure. Then, postheat clip, the current hold at the low degree. The 4th rhythm is cool clip. This rhythm allow the thaw nugget diameter to solidify before the let go ofing the welded parts and in conclusion the off clip rhythm, the electrode force applied on the sheets metal is released the welding procedure is done. 2.3 Material belongingss 2.3.1 Introduction of Advanced High Strength Steel ( AHSS ) DP600 is one of the Advanced High Strength Steel ( AHSS ) for the automotive industry that have enhanced ductileness and formability [ 4 ] . DP600 normally used in the industry of rider auto and commercial vehicle wheels. It is to cut down weight and increasing service life and made of the typical belongingss of theese stuffs for upper limit used. 2.3.2 Basic Properties 2.3.2.1 Mechanical Properties Table 4: mechanical belongingss for DP600 [ 4 ] 2.3.2.2 Chemical Composition Table 5: Chemical Compostion for DP600 [ 4 ] 2.3.2.3 Dimension Table 6: Dimension for DP600 [ 4 ] 2.3.3 Advantages of High Strength Steel ( DP600 ) High strength steel ( DP600 ) are prodominantly used in automotive industries because of many advantages such as below [ 4 ] : I. Low ratio of output strength to tensile stength. II. Work-hardening capacity is high. III. Good energy soaking up characteristic to supply clang public presentation in structural. IV. Product stronger and safer under burden. V. Good bake indurating responce that organizing the output strength in the formed countries is significantly increased. Chapter III RESEARCH METHODOLOGY 3.0 Methodology of The Undertaking Methodology really is a systematic research of system and besides group of process. In this survey, so there are consist of many measure. Figure 3 below shown a methodological analysis for this undertaking. 3.1 Detail of methodological analysis 3.1.1 Information Gathering In information assemblage every associated information on topographic point welding, and besides information utilized was really gathered to supply farther cognition. All of the associated information is get from all the web, diary, and library along with the some other resources. It is critical understands the theory and besides predating option. 3.1.2 Design of experiment Design of Experiment is decidedly an advancement to assist better design functional public presentation that to cut down rhythm clip for you developed procedures [ 5 ] . Design of experiment is a assortment of trial to alter the input variable ( parametric quantity ) to larn and besides identififying the end product alteration inside the production response. Then analyze the consequence of procedure to obtain the optimal value or parametric quantities which consequence to the attack. Figure 11 Figue 4 shown an case theoretical account of process that shown an sum of uncontrolled factor which are distinct, for illustration differences machine or operators and to boot similar ambient temperature or humidness. 3.1.2.1 Screening Design and Full Factorial Design Screening design is to find which factor and consequence which are of import. When have 2-4 factors and can execute a full factorial. Full factorial design in two degree. Full factorial design ia a conventional experimental design with all input factors set at two degrees each. These degrees is called ihighi and ilowi or +1 and -1. A consolidation of all the input factors is called full factorial design in two degree [ 6 ] . If there are thousand factors at 2 degrees, full factorial design has 2? tallies. Table 7: Example Number of run 2? Full Factorial Number of Factors Number of Runs 2 4 3 8 4 16 5 32 6 64 7 128 Aim of factorial design as below: 1. To place factors which important effects on the response. 2. To place interations between the factors. 3. To place which factors is the most importance effects on the response. 4. To make up one's mind whether farther probe of a factoris consequence is set up. 5. To look into the functional assurance of a response on multiple factors at the same time. 3.1.2.2 Response Surface Methodology Response surface Methodology ( RSM ) investigated relationships between critical variables and response variables. Objective of RSM is to utilize a patterned advance of designed experiments to obtain an optimum response. Below is illustration of RSM: Figure 12: Response surface iPeaki Figure 13: Response surface iHillsidei Figure 14: Response surface iRising ridgei Figure 15: Response surface isaddlei 3.1.2.3 Mathematical Method The mathematical theoretical account interact procedure parametric quantities and their interations with response parametric quantity will be refined harmonizing to the experimental consequence. These theoretical account will be used to expect the size of dyer's rocket zone which can better the welding quality and public presentation in Resistance Spot Welding. The most common theoretical accounts accommodate to the experimental informations take either a additive equation. A additive theoretical account with two factors X1 and X2 such as below: Y = i0 + i1X1 + i2X2 + i12X1X2 + experimental mistake Yttrium is the response for given degrees of the chief consequence X1 and X2 and X1X2 is included for undetermined interation consequence between X1 and x2. Constant i0 is the response of Yttrium when both chief consequence are 0 [ 6 ] . The progress of utilizing DOE is that can provides an accession organized which it possible to dissertation both simple and recognize experimental job. The experiment is to choose convenient aim, and so execute a set of experiment. That DOE can obtain more utile and more precise information about the surveies system. The joint influence of all factors is estimated [ 5 ] 3.1.3 Experiment procedure The experiment is concentrate to find the radius of liquefied zone or dyer's rocket nugget and Heat Affected Zone ( HAZ ) . The diameter of dyer's rocket nugget and Heat Affected Zone ( HAZ ) is measured by captured the image of the specimen by the microscope. All the parametric quantity such as welding clip, the diameter of tips, weld current, and force will be varied in the experiment. All the consequence with different parametric quantity will be record to look into nugget development focused on dyer's rocket nugget and Heat Affected Zone ( HAZ ) . The process for this experiment to fix the sample of specimen are: a ) Film editing. B ) Molding. degree Celsius ) Grinding. vitamin D ) Polishing. vitamin E ) Etching. degree Fahrenheit ) Invetigate weld nugget and HAZ size utilizing microscope. 3.1.4 Decision After acquire the optimal consequence, the hardness and strength has to be verification by tensile trial, and hardness trial, the decision from this undertaking is verify and the undertaking is 100 % complete. 3.1.5 Thesis authorship After the decision reached, thesis authorship is needed to finish the undertaking. All the procedure and information from this undertaking from the start util the terminal is to be record and roll up together as a book. Chapter IV BASIC CONCEPT AND ANALYTICAL SOLUTION 4.0 Introduction Resistance topographic point welding ( RSW ) is a procedure when metal surface was approached are joined by the heat obtained from opposition to electrical current flow. Work-pieces take topographic point together under force per unit area degree exerted by electrodes. The attack was applied non one but two shaped mineral metal electrodes to concentrate welding current as a small â€Å" topographic point † and to boot to clamp the sheets together. Pushing a large current through the topographic point will run the metal and to boot organize the dyer's rocket. The redundancy of location welding is a batch of energy can experience delivered to the topographic point in a really short period of clip. Particularly, the parametric quantities play a powerful significance character of topographic point welding in finding the high quality of dyer's rocket nugget and to boot Heat Affected Zone ( HAZ ) . Any individual parametric quantities will hold to be preferred with the work done. 4.1 Variables in welding procedure There are legion factors involves in topographic point welding that are categorized since a procedure variables. The parametric quantities of procedure variables are as follow: Weld current Squeeze clip Weld clip Hold clip Electrode force 4.1.1 Weld current A current of 10000 As had been non readily available from any standard electric power mercantile establishment. 32 As is the maximal current available from common domestic and besides workplace mercantile establishments. 200 As are typical of the current available from electric entry circuits inside the industries really in mills big degrees of electric energy are utilized. Subsequently, in mill peculiarly utilised opposition welding to acquire 10000 As, some device demands to be ever option the current up from all the moderately low grade available from the energy business [ 9 ] . The merchandise that normally utilized is a transformer. Transformers can step current up or possibly down. A transformer has a twosome of spirals of wire, called the primary and besides secondary, injure around a strong Fe nucleus. The power is transferred from primary to secondary via the magnetic properties of the Fe [ 9 ] . The current is stepped up or possibly down will be to about equal the ratio between the Numberss of bend of the wire within the spiral [ 9 ] . 4.1.2 Squeeze clip Squeeze clip is the clip interval amongst the initial application of the electrode force sing the work along with the first application of current. The control of the squeezing clip is the clip interval stuck between sequence inductions and to boot originating of weld current. It is required to wait the weld current until electrode thrust has got accrued to the desired degree [ 9 ] . 4.1.3 Weld clip Weld clip is the clip during the class of the current is application to the work in doing a dyer's rocket. Weld clip calculated in rhythms of line electromotive force as are truly all of the timing characteristics. One rhythm is 1/60 of the 2nd in a 60 Hz power system [ 9 ] . 4.1.4 Hold clip Hold clip is whenever electrode force is maintained in the work after the concluding urge of welding current. Hold clip are truly required to allow the dyer's rocket nugget to indurate prior to let go ofing the welded parts [ 9 ] . 4.1.5 Electrode force Electrode force is the consequence of air force per unit area used to the air Piston linked straight to the caput. The sum of electrode force depends on top of the effectual air force per unit area, weight of caput, and Piston diameter. The expression to measure the electrode force is as below: Electrode force = 0.78 x D2 x P or p ten D2/4 x P D is the Piston Diameter in millimeter P is the air force per unit area in kilogram per millimeter square Electrode Force is in N ( Newton ) The does non let for dead weights and to boot clash. It might likely be needed when altering electrode demand from a value to some other greatly different value to re-adjust the velocity control valves. Too slow the attack wastes clip and to boot may necessitate a batch longer squeeze clip. Too fast an attack influences the electrodes and to boot shortens their being, and besides can besides damage the electrode holders or possibly caput. When projection welding, high impacts will damage the projection prior to welding and to boot give you hapless projection dyer's rockets even if every one of the different scenes is right [ 9 ] . 4.2 Electrodes The opposition topographic point welding machine typically utilised Cu metal electrodes. There are two electrodes in each location welding machine that are upper electrode and besides lower electrode. In this analysis the size of the electrodes utilized is 6mm. The electrode have three chief map. The map of electrodes as follow: To run current to the work pieces being welded To reassign the right force per unit area degree or possibly force to the work pieces to bring forth a good dyer's rocket To assist disperse temperature from all the part being welded. 4.2.1 Conducting Current The primary map of electrodes will be fire weld current through the work piece. By taking into history the committedness among current, electromotive force and to boot opposition, it turns out to be a good of import thing to pay out attending to the type of electrodes utilised. The electrodes are truly produced wholly from high opposition stuff causes they receives so hot because they had melt before the current even had a opportunity to flux right through the work piece. It is critical to vouch that the electrodes used are suited sizes that are match to the application required. The appropriate size of electrode is wholly depends with the sum of demand being induced to the work piece. 4.2.2 Transmitting Force The different work of the electrodes is by suggested of mechanized. The sum of force had to do a good dyer's rocket is different, depends with the sort of metal being welded every bit good as other facets. As electrodes are truly normally with the small side, therefore it is important to choose electrodes which are able to defy with the forces had to bring forth a good dyer's rocket nugget. The forces used are inversely relative to the opposition. It signifies which more forces will outcome less opposition and to boot more opposition can ensue less forces needed. Force even allows you to do the dyer's rocket in good status because it is being created. As the current creates temperature, the steel of work piece starts to melt. When metal thaws, it can drip to anyplace and to boot exploded from the work piece. The appropriate dyer's rocket push is needed to avoid this first-class state of affairss being gone incorrect. The forces can do the molten metal to stay put, hence can solidified and to boot cool to organize weld nugget. 4.2.3 Cooling the Workpiece Electrodes can acquire rather a spot hot with 10-20 KA or possibly more continuously fluxing under 100s of force. Presently, most welders have some kind of internally H2O chilling system which empowers H2O to go around through the tips of the electrodes while dyer's rockets are being created. But the trouble is a doomed, wrecked or improperly size air conditioning H2O pipe. Without anything to chill down the tips, heat can fleetly construct to the point where the electrodes could bit by bit weld to the work pieces. To rectify this issue, H2O pipe must be put in the electrodes so that the inbound cold H2O can strikes the finest facet of the electrode foremost [ 10 ] . 4.3 Full Factorial Design A factorial design is regarded as the common option to larn the terminal consequence of a twosome or more private variables, though the focal point on characteristics which have entirely non one but two separate factors for simpleness. In a factorial design, all of the degrees of each private variable are truly matched with every one of the sums of the assorted other separate factors to bring forth all of the possibility fortunes. In a factorial design, two degrees of the first independent variable would be combined with two degrees of the 2nd to bring forth four distinguishable conditions. In this research it would be called a 2Ãâ€"4 factorial design because there are four independent variables, each of these has two degrees. In a 2Ãâ€"4 design, there might hold eight distinguishable conditions [ 16 ] . A full factorial experiment can be analyzed utilizing ANOVA or arrested development analysis. It is comparatively easy to gauge the chief consequence for a factor. To calculate out the chief consequence of a factors. Assorted other utile explorative analysis tools for factorial experiments consist of chief effects secret plans, interaction secret plans, and a normal chance secret plan of the estimated effects. At two-level factorial designs assume that the effects are linearIf in instance a quadratic influence is expected for a factor, a more ambitious experiment must be utilised, like a cardinal blend design. Optimization of factors which possibly have quadratic effects is the chief end of reaction surface methodological analysis. 4.4 Responce Surface Methadology Response surface methods ( RSM ) provide statistical tools for design and analysis of experiments anticipated at procedure optimisation. At the concluding phases of procedure development, RSM illustrated the sweet topographic point where high output of in peculiar merchandises can be achieved. It produces statistically validated premonition theoretical accounts and, with the counsel of specialised package, response surface maps that point the manner to apogee of procedure public presentation. Before manipulate Response surface methodological analysis ( RSM ) , should take full advantage of a far simpler tool for design of experiment two-level factorials, which can be really impressive for testing the cardinal few factors included interactions from the insignificant that have no important impact [ 17 ] . Response surface methodological analysis ( RSM ) inspect the relationships beween analytical variables and one more response variables. Response Surface methodological analysis is a patterned advance of factorial design to obtain an optimum response. The first degree manner to gauge the theoretical account is utilizing a factorial experiment or a fractional factorial designs. This method is acceptable to find which analytical variables have an impact on the response variables. After estimated that, the peculiar important explanatory factors are truly left, so estimated the 2nd grade theoretical account. Then, optimise a response on the 2nd grade theoretical account [ 16 ] . 4.5 Analytic Solution Analytic option is a method which utilize mathematic as a chief component so as to work out the issue. There are many sorts of analytic option by signifies of structural, electrothermal, electromagnetic, computational fluid kineticss and so on. Every of these methods are utilised to work out the moral force and besides physical job of any building. These solutions even use to work out the trouble that involved the complex portion in organic structure construction. 4.5.1 Heat Generation The entire heat coevals rate, Qg can be described as: – [ 12 ] Where R = Rw + Rc + Re Rw: workpiece majority opposition Rc: entire contact opposition Rhenium: electrode opposition I: welding current Welding clip The heat of merger required for nugget formation, hafnium is [ 13 ] Where Hydrogen: heat of merger per unit volume : Nugget volume ( ) The entire heat loss can be described in three different parts with lumped measures. The entire heat loss: [ 11 ] Where = denseness = specific heat = volume = temperature rise n = in nugget s = in environing vitamin E = in electrodes Therefore, the entire heat balance including the entire heat loss rate, through the theoretical account boundaries can be written as follows: – The above equation can be rearranged as By pretermiting the heat loss and temperature rise in the electrodes and the temperature rise in the surrounding, the equation becomes 4.5.2 Effect of Geometry and Heat Loss By sing the entire heat loss, the old equation alterations to changeless The entire heat loss rate of the nugget, is the amount of the axial heat loss rate through the electrodes, and the radial heat loss through the workpiece. Then, the axial loss rate [ 11 ] Where: thermic conduction : thaw temperature : interface temperature at workpiece : distance from runing interface to electrode contact surface : nugget radius. The heat required for temperature rise in environing nugget stuff is determined by the heat flux out of the nugget and the heat coevals in environing stuff itself. The temperature distribution in this part is assumed to be determined by when the nugget growing to sufficient size. If the heat loss through the workpiece is assumed to be relative to the country of the nugget side wall, so Where: characteristic surrounding temperature : feature heat diffusion length The thermic conduction includes in the heat loss equation alterations with temperature while the interface temperature is besides affected by geometry and interfacial feature. This is besides affected by heat coevals due to the electrical electric resistance alteration with temperature. [ 11 ] The comparing of heat loss in axial and radial way can be determined by the growing of the nugget. The ratio of axial heat loss to the radial heat loss is given by: By presuming that the nugget size is straight relative to the geometry of the electrode and the thickness, so Where: incursion : concluding incursion to workpiece thickness ratio : electrode contact surface radius Then, the concluding ratio becomes, By presuming that the nugget front revises its place at every half rhythm or ( 1/120 sec ) in AC welding, so the ratio becomes The entire heat loss can be described as a map of: [ 11 ] 4.5.3 The Principle of Electrical Distribution The rate of heat coevals depends upon the flow of current, in amperes, through the opposition of the stuff. Other electrical factors, such as electromotive force, frequence and power factor, enter into consideration merely with regard to their uniformity. They affect merely the value of the current. Harmonizing to Ohmis Law: Where: current : electromotive force bead across the electrodes : opposition through the stuff in Ohm The entire heat in Watt-seconds is generated in the welding electrodes is expressed by Or ; Where T is clip in 2nd. [ 14 ] 4.5.4 Formulation for Electric Analysis In two dimensional jobs the regulating equation of the electric possible distribution is expressed by the Laplace equation [ 15 ] : ( ? ^2i ) / ( ? x^2 ) + ( ? ^2i ) / ( ? y^2 ) =0 Where i = i ( x, Y, T ) is the electrical potency as a map of co-ordinates and clip. The finite element transition of this equation can be formulated in the same manner as in the 3-dimensional analysis, and there are two sorts of boundary conditions to be specified in the electric analysis: i=i_0 On the boundaries in contact with the power supply with known possible i_0 and ( ? i ) / ? n=0 on the free boundaries, where N denotes the normal way of a boundary. After finding the possible distribution, the current denseness can be calculated as , J_y=-1/ ? ( ? i ) / ? Y Where J is current denseness and? is electric electric resistance. The heat coevals rate per unit volume is calculated utilizing the expression Q= ? iJ^2 4.5.5 Formulation of Thermal Analysis The regulating differential equation for planar transient heat conductivity with an internal heat beginning is: / ? ten ( k? T/ ? ten ) + ? / ? Y ( k? T/ ? Y ) +Q= ? iC? T/ ? T Where T is the temperature as a map of co-ordinates and clip, K is the thermic conduction, ? is the mass denseness, and C is the heat capacity per unit mass. The three types of boundary conditions involved are T=T0 On the boundaries with the specified temperatures, -k? T/ ? n=0 On the lines of symmetricalness, and -k? T/ ? n=h ( T-T_e ) On the free surfaces, the effectual heat exchange is taken into history. H is the convection heat transportation rate of the environing air, and Te is the ambient temperature. [ 15 ] . Chapter V STATISTICAL AND EXPERIMENTAL PROCEDURES 5.0 Introduction to MINITAB package Minitab are the package that pattern statistics bundle. Minitab sofware green goods by Minitab Inc that headquartered at Pennsylvania State university by a Barbara F.Ryan Thomas A. Ryan, Jr and brian l. Joiner in 1972. The intent of the minitab is to spreadsheet for better analysis for informations and file direction. It besides can regression analysis, power and sample size and create tabular arraies and graphs for the experiments. For many variables that is used it can multivariate analysis that include factor analysis, bunch analysis and corresponce analysis. And it besides functional to analysis the discrepancy to find the difference between the information points. In this research, practicality of minitab package is to plan of experiment and testing design or factorial design to place which factor that consequence the response variables. Factorial design is to plan the experiment where the input factors are ste at two degree each. The intent of the factorial design is to place the important consequence on the response, place the interaction of the factors, place the factors hat have most importance effects on the response, to make up one's mind for the farther probe that which factors should to be bead in causes the factor is non important. 5.1 Design of Experiment process The building of the design of experiment is carried out in MINITAB package. the measure procedures to make the desgin of experiment are provided in the sub-section as follows: 5.1.1 Launch and Creation of New File To establish the MINITAB16, open the MINITAB16 booklet and choose the MINITAB16 icon. Once file is opened the panel like figure 5.1 will look. Figure 5.1: MINITAB 16 Screen After the panel appear, create the new file by snaping on the file and choice New as shown in the figure 5.2 below. Figure 5.2: Created new file 5.1.2 Create factorial design To make factorial design, chink at start button so choice DOE, factorial so Create Factorial design as shown in figure 5.3 below: Figure 5.3: Create Factorial Design Since we haved 4 factors which are weld current, weld clip, hold clip and force select 4 figure of factors and chink at 2 degree factorial. Figure 5.4: Choice no of factors Figure 5.5: Choice no of Center Points Per Block Figure 5.6: Choice 4 factors and a6 no of tally 5.1.3 Enter the high an depression of the factors Click the factor button and the rename the factors are used and the enter the high and low value of the factors. For the dyer's rocket current the units used is kA ( Ampere ) , weld clip is rhythm, hold clip besides in rhythm and force in kN. Where the equation of rhythm to change over to 2nd is 1/Frequency ten cycles/sec = seconds. 5.7: Enter the high and low of the factors After that chink on the option button and consequence and merely snap Oklahoma. Figure 5.8: Option and Consequence 5.1.4 Table of the experiment is created After the measure is finished, in conclusion click OK button so the tabular array as shown in figure 5.9 is created. The agreements of the experiment is indiscriminately create by the package. For the experiment parametric quantities and the agreement is harmonizing to the tabular array. Figure 5.9: The Table of Eperiment 5.2 Experimental Procedure Procedures In this research all the experiment procedure all done in the workshop and stuff scientific discipline research lab. The procedure of experiment was done by utilizing all the equipment in the module. First, the natural stuff of mild steel have taken from machining workshop. And for DP600, this stuff have been order from PROTON Holdings Berhad. This sheet steel so being cut by utilizing shearing machine as ( Figure 5.10 ) in the machining workshop. The size and form of the specimen have been decided from the diary and the article to acquire the exactly consequence. Therefore, the size of the specimen that have been cut is 110mm ( length ) x 25mm ( breadth ) as shown in ( Figure 5.11 ) . Figure 5.10: Shearing Machine Figure 5.11: specimen After finished cutting procedure, the specimen will be clean by wire coppice utilizing the bomber as ( Figure 5.12 ) to take the dust or the oils. Figure 5.12: Bomber with wire coppice After the specimen is ready, it will be welded at the PROTON Holdings Berhad. The machine used is the portable welding machine C- gun type as ( Figure 5.13 ) . the power transformer capacity for portable welding machines is the primary dyer's rocket electromotive forces is 415 V/ 50 Hz, maximal input is 450 kVA for one welding transformer, and maximal welding current is 18 Ka. Figure 5.13: Welding machine After the specimen have been welded ( Figure 5.14 ) , it will travel through a procedure to find the radius of dyer's rocket nugget. The procedure will be conducted in the stuff scientific discipline research lab. First the welded sheet steel will be cut by utilizing cutting machine ( figure 5.15 ) . This subdivision of the procedure must be done carefully and the film editings must be at the centre of dyer's rocket nugget where the centre of the dyer's rocket nugget is the maximal diameter of the dyer's rocket nugget. Figure 5.14: Welded sheet metal Figure 5.15: Stonecutter machine After the film editing procedure has been done, the little pieces of the dyer's rocket nugget has to be mounted by utilizing mounting machine ( Figure 5.16 ) . the procedure will takes about 20 proceedingss to complete one climb. ( Figure 5.17 ) shown the specimen after mounting procedure. Figure 5.16: Climb machine Figure 5.17: After mounting procedure After finished the mounting procedure, the specimens will grined utilizing swot machine ( Figure 5.18 ) . The crunching procedure must be grind by utilizing five type os sand paper. The type of sand paper are 240, 320, 400, 600, and 1200. The the specimens must be polished utilizing Polish machine ( Figure 5.19 ) in four phases. After that the specimen will be etched by utilizing ifry regenti liquid as ( Figure 5.20 ) . At this point, the welded nugget will be on position with our bare eyes. Figure 5.18: Grind machine Figure 5.19: Polish machine Figure 5.20: iFry regenti liquid Finally, the finished specimen as shown in ( Figure 5.21 ) will be taken to the microscope LEICA DM 6000 ( Figure 5.22 ) . The microscope is connected to the computing machine which used package to take the image of the specimen. The dyer's rocket nugget size and Heat Affected zone ( HAZ ) will be measured by this package. The package used is IMAPS Ver. 4.0 Professional Edition. Figure 5.21: specimen Figure 5.22: The microscope LEICA DM 6000 IMAPS is an image analyser package that functional to see and dimensional the macrostructure. The important of this package is to detect the macrostructure of stuff. 5.2 IMAPS Software Procedure First, launch IMAPS as shown in Figure 5.23 below. Figure 5.23: Image IMAPS Software After that, choose on the picture so choice prevue on as shown in Figure 5.24 below. Figure 5.24: Choice prevue On After the package is preview on, puting the fokus of the image on the microscope sunburn click the gaining control button to capture the image of the specimen as shown in Figure 5.25 below. Figure 5.25: Image captured After image is captured, snap the horizontal length button to mensurate the length of the dyer's rocket nugget and Heat Affected Zone shown on figure 5.26 below. Figure 5.26: Click Horizontal Length Button When the horizontal length button is clicked, the line would look to mensurate the length of dyer's rocket nugget and heat affected zone ( HAZ ) . The distance of the length weld nugget and heat affected zone ( HAZ ) will be calculated automatically by the package shown in Figure 5.27 below. Once the dyer's rocket nugget is measured, stamp button must be clicked to stomp the measuring and so follow up to measured heat affected zone. The radius of dyer's rocket nugget and heat affected zone so inserted into the tabular array in the MINITAB package. Figure 5.27: Measure length of dyer's rocket nugget and Heat Affected Zone ( HAZ ) Chapter VI RESULT AND DISCUSSION 6.1 PHYSICAL AND MECHANICAL PROPERTIES 6.1.1 PHYSICAL AND MECHANICAL PROPERTIES OH 1.0 MM DP 600 Mechanical belongingss give look of the elastic and inelastic behaviour of a stuff when force is applied. The intent of mechanical trial is to demo whether a stuff or portion is suited for its intended mechanical applications by mensurating snap, tensile strength and elongation. To find the mechanical belongingss of a DP 600, tensile trial in used. The intent of tensile trial of DP 600 to guarantee that the output strength of DP600 achieved the criterion. First, before get downing the tensile trial must fix the specimen. DP 600 must be cut with the criterion of 1.0 millimeter thickness steel as shown in figure below. Figure 6.1 6.1.1.1 Tensile Test Procedure 1. Put gage grade on the specimen 2. Measure the initial length, thickness and size of the specimen. Thickness is 1 millimeter, breadth is 4 millimeter and length is 35 millimeter 3. Put the velocity. Speed used is 2 mm/min 4. Maximal burden is recorded in the computing machine The consequence of the tensile trial is shown in Figure 6.2 and Figure 6.3 below. Figure 6.2: Graph of maximumm burden Figure 6.3: The Data of Tensile Test 6.2 Screening OF THE OPERATING PARAMETERS The design matrix and consequence of 24 fractional factorial design with 21 tallies included four parametric quantities which is weld current, weld clip, hold clip, and two response which is radius of dyer's rocket nugget and radius of heat affected zone are given in table 6.1. The experimental sequence which is standard order was randomized in order to minimise the unexpected variableness in the ascertained response. StdOrder RunOrder CenterPt Blocks Parameters Response weld current dyer's rocket clip force clasp clip weld nugget HAZ 17 1 0 1 8 15 2.5 3 2.827 3.444 13 2 1 1 6 10 3.5 4 2.341 3.157 2 3 1 1 10 10 1.5 2 2.815 3.415 19 4 0 1 8 15 2.5 3 2.827 3.440 11 5 1 1 6 20 1.5 4 2.242 3.252 9 6 1 1 6 10 1.5 4 2.265 3.010 16 7 1 1 10 20 3.5 4 3.205 3.552 12 8 1 1 10 20 1.5 4 3.188 3.315 3 9 1 1 6 20 1.5 2 2.364 3.237 6 10 1 1 10 10 3.5 2 3.166 3.535 10 11 1 1 10 10 1.5 4 2.821 3.414 20 12 0 1 8 15 2.5 3 2.807 3.475 5 13 1 1 6 10 3.5 2 2.308 3.157 18 14 0 1 8 15 2.5 3 2.827 3.445 1 15 1 1 6 10 1.5 2 2.255 3.072 14 16 1 1 10 10 3.5 4 3.165 3.445 4 17 1 1 10 20 1.5 2 3.195 3.325 8 18 1 1 10 20 3.5 2 3.215 3.558 7 19 1 1 6 20 3.5 2 2.355 3.380 15 20 1 1 6 20 3.5 4 2.345 3.387 21 21 0 1 8 15 2.5 3 2.807 3.445 Table 6.1 Figure 6.4 and figure 6.5 shown a normal chance secret plan of standardised effects of dyer's rocket nugget and heat affected zone ( HAZ ) at 5 % important degree utilizing Minitab package. Figure 6.4 suggest that the chief effects of weld current, weld clip and force as the interaction consequence the radius of dyer's rocket nugget. In return, figure 6.5 suggest that the chief effects of weld current, weld clip and force as the interaction consequence the radius of heat affected zone ( HAZ ) , the point that far from the line normally is a signal of of import effects. The normal chance secret plan identifited importance effects utilizing alpha 0.5. Figure 6.4 Figure 6.5 6.3 Regression Model Table 6.2 and Table 6.3 shows that the estimated coefficients ( coef ) of the variables footings in a arrested development theoretical account for radius dyer's rocket nugget and radius heat affected zone ( HAZ ) . Equation 6.3.1 and 6.3.2 shows coresponding standard divergence ( Sdcoef ) , t-statistic ( T ) and chance ( P ) values are determined at 5 % important degree. Variables footings with P & lt ; 0.05 for radius dyer's rocket nugget is A, B, C, AB, AC and BC and radius heat affected zone ( HAZ ) are A, B, C, AB and BC. These variables are considered as statically important of the responses. Consequently, all the important variables footings that correspond with the response for 2nd order multinomial theoretical account in coded are accelerated as: RADIUS WELD NUGGET: 2.70281+ 0.39344A + 0.06081B + 0.05969C + 0.04369AB + 0.03181AC – 0.04331BC ( 6.3.1 ) RADIUS HAZ: 3.32569 + 0.11919A + 0.05006B + 0.07069C – 0.05744AB + 0.02281BC ( 6.3.2 ) In the equation 6.3.1 and equation 6.3.2, the positive coefficients of the variables illustrated their mutual effects on the radius of dyer's rocket nugget and radius of HAZ. Meanwhile the negative coefficients illustrated their unfriendly consequence. Subsequently, the chief efect A ( weld current ) , B ( weld clip ) , and C ( force ) are the primary operating parametric quantities that influence the radius of dyer's rocket nugget. That is consequently to the diminishing significance of each variables respect to their consequence on radius dyer's rocket nugget which are A ~ B ~ C ~ AB ~ AC ~ CD ~ AD ~ D ~ BD ~ BD. For the variables term of radius HAZ, the diminishing significance variables respect to their consequence on radius HAZ is A ~ C ~ B ~ BC ~ BD ~ AC ~ CD ~ AD ~ D ~ AB. The chief variables A ( weld nugget ) , C ( force ) and B ( weld clip ) are the primary operating parametric quantities that influence radius HAZ. Table 6.2: Estimated coefficients of the arrested development theoretical account for radius of dyer's rocket nugget Term Coef SE ( Coef ) T P Changeless 2.70281 0.01407 192.10 0.000 Weld current, A 0.39344 0.01407 27.96 0.000 Weld clip, B 0.06081 0.01407 4.32 0.002 Force, C 0.05969 0.01407 4.24 0.664 Hold clip, D -0.00631 0.01407 -0.45 0.013 Weld current *weld clip, AB 0.04369 0.01407 3.10 0.050 Weld current*force, AC 0.03181 0.01407 2.26 0.740 Weld current*hold clip, AD 0.00481 0.01407 0.34 0.013 Weld time*force, BC -0.04331 0.01407 -3.08 0.404 Weld time*hold clip, BD -0.01231 0.01407 -0.88 0.592 Force*hold clip, Cadmium 0.00781 0.01407 0.56 0.003 Table 6.3: Estimated coefficients of the arrested development theoretical account for radius of HAZ Term Coef SE ( Coef ) T P Changeless 3.32569 0.007626 436.08 0.000 Weld current, A 0.11919 0.007626 15.63 0.000 Weld clip, B 0.05006 0.007626 6.56 0.000 Force, C 0.07069 0.007626 9.27 0.000 Hold clip, D -0.00919 0.007626 -1.20 0.259 Weld current *weld clip, AB -0.05744 0.007626 -7.53 0.000 Weld current*force, AC 0.00694 0.007626 0.91 0.387 Weld current*hold clip, AD -0.00419 0.007626 -0.55 0.596 Weld time*force, BC 0.02281 0.007626 2.99 0.015 Weld time*hold clip, BD 0.00994 0.007626 1.30 0.225 Force*hold clip, CD -0.00194 0.007626 -0.25 0.805 6.4 Model Competence Checking Table 6.4: Analysis of variance of the arrested development theoretical account for radius of dyer's rocket nugget Beginning DF Seq SS F P Arrested development Linear Square Interaction 6 0.08052 4.24 0.026 Residual mistake 9 0.02851 Lack of deficiency 5 0.02803 46.71 0.001 Pure error 4 0.00048 Entire 20 2.7535 S = 0.0562804 PRESS = 0.364343 R-Sq = 98.96 % R-Sq ( pred ) = 86.77 % R-Sq ( adj ) = 97.70 % Table 6.5: Analysis of variance of the arrested development theoretical account for radius of HAZ Beginning DF Seq SS F P Arrested development Linear Square Interaction 6 0.063802 11.43 0.001 Residual mistake 9 0.008375 Lack of deficiency 5 0.007564 7.46 0.037 Pure error 4 0.000811 Entire 20 0.479548 S = 0.0305052 PRESS = 0.166012 R-Sq = 98.25 % R-Sq ( pred ) = 65.38 % R-Sq ( adj ) = 96.12 % Table 6.4 shown the analysis of discrepancy ( ANOVA ) of the arrested development theoretical account for radius dyer's rocket nugget at equation 6.3.1 that obtained at 5 % important degree. Each variables which are additive, square, and interaction and the arrested development theoretical account shown P values is less than 0.05. That proved that it are statistically important. The tabular array 6.4 besides shows that the sample fluctuation of R-Sq is 98.96 % for % recovery. That is indicated to the regressors in the theoretical account merely 1.04 % of the entire variableness is non explained by the theoretical account. The value of R-Sq ( adj ) is 97.7 % at the tabular array 6.4 which contrasted 1.26 % from the value R-Sq that determined the theoretical account is extremely important. Table 6.5 is the analysis of discrepancy ( ANOVA ) of the arrested development theoretical account for radius Haz at equation 6.3.2 that besides obtained at 5 % important degree. The variables which are additive, square, and interaction and the arrested development theoretical account shown P values is less than 0.05. it besides proved that it are statistically important. The R-Sq in table 6.5 is 98.25 % for % recovery. That is indicated to the regressors in the theoretical account ony 1.8 % of the entire variableness is non explained by the theoretical account. The value R-Sq ( adj ) is 96.12 % at the tabular array 6.5 which besides contrasted 2.13 % from the value R-Sq Thai is determined the theoretical account is extremely important. The competency of theoretical account was besides examined from the normal chance secret plan of standardised remainders for dyer's rocket nugget and HAZ are shown in figure 6.6 and 6.7 below. Therefore, as shown in figure 6.6 and 6.7 all the points accumulated along a consecutive line and remainders. Figure 6.6 and 6.7 besides shows that all the fitted values are interior little magnitudes of +/- 0.06 for dyer's rocket nugget and +/- 0.04 for HAZ. These illustrate that A, B, C, AB, AC and BC for radius dyer's rocket nugget and A, B, C, AB and BC for radius HAZ are the lone important consequence and that the necessary arrested development premises are satisfied. Figure 6.6: Residual secret plan for dyer's rocket nugget Figure 6.7: Residual secret plan for HAZ Chapter VII CONCLUSION AND FUTHUR RECOMMENDATION 7.0 Decision In this survey, the consequence of the design parametric quantities which is weld current, weld clip, force and force that are affected the radius of dyer's rocket nugget and radius of heat affected zone ( HAZ ) of the topographic point welding were investigated. The multinomial theoretical accounts were developed to represent relationship between the response and its important factors. These theoretical accounts could be used to foretell public presentation of radius dyer's rocket nugget and radius of heat affected zone ( HAZ ) . The showing of assorted runing parametric quantities which is weld current, weld clip, force and hold clip of the development of radius dyer's rocket nugget and heat affected zone ( HAZ ) utilizing the 24 full fractional design were acknowledge that all the parametric quantities except hold clip were affected radius of dyer's rocket nugget and radius of heat affected zone ( HAZ ) significantly. A multinomial theoretical account for radius dyer's rocket nugget and heat affected zone ( HAZ ) as a map of the important parametric quantities were developed. And the value of R-Sq is 0.9896 and R-Sq ( adj ) is 0.9770 for dyer's rocket nugget and R-Sq is 0.985 and R-Sq ( adj ) is 0.9612 for heat affected zone ( HAZ ) . The arrested development theoretical account besides shows the high R-Sq values indicated that the theoretical account is extremely important and would be a good estimation of the response within the experimental subject studied. 7.1 Futher Recommendations Its is recommended that the probe of the topographic point welding parametric quantities to be continue with varied in other parametric quantities such as weld clip, stuffs, weld current and force. Particularly for stuffs besides can analyze for Advanced High Strength Steels ( AHSS ) such as DP780 and DP800due to their advantages which are to accomplish light burdening and improved structural public presentation. The nugget development and formation consequence is importance to calculate out systematically with the development of automotive engineering. Finally since the machine used in the machine is rather old and without a proper care, the RSW machine demands to be send to graduate once more. The electrode tip besides needs to re-align so that an optimal dyer's rocket nugget can be produce.