resistance R0 = 100 Ω at 0o C. If the resistance RT = 197.7 Ω in an oil bath‚ what is the temperature of the oil in the bath‚ given that RT = R0(1+αT)? Take R0 = 100 Ω R0 = resistance at 0o C α = 3.9083 x 10-3 /o C (2 marks) NDE Thermodynamics and Heat Transfer Exam 2008 Name: _______________________________________ Read all the instructions before starting Do not open this paper until instructed Time allowed: 2 hours (plus 5 minutes reading time) Attempt ALL question in Section A (questions 1 – 12) Attempt
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HEAT TRANSFER MECHANISMS Heat energy is being transferred from one location to another because of a temperature difference. The three mechanisms for heat transfer are: • Conduction. When you grip the hot handle of a pan on a stove‚ you feel conduction in action. Heat flows from the pan and along the length of the handle to its cooler free end. This is because one end of the rod is held at the high temperature‚ and the other end stays at the lower temperature. Although the rod itself doesn’t
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Diploma in Sales & Marketing Management 2013 SAMR018 Assignment 1 SALES AND MARKETING 2013 TIME ALLOWANCE: MARKS TOTAL PAGES 10 Hours 100 11 INSTRUCTIONS 1. Assignments must be typed/written/either typed or written – the important measure is that they are easy to read (legible). 2. All work must be adequately and correctly referenced. 3. No more than 25% of the assignment may be copied from the original source(s) used‚ even if referenced correctly. 4. Begin each section on a new page. 5
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junk food can be easily obtained from any supermarket‚ fast food chains and even the canteens in school sells junk food. The facts that the children have the freedom to get everything they wish to eat are really worrying. Therefore‚ the sale of junk food should be banned because it triggers child obesity‚ causes behavioural problems in children and it increases litter problem. Junk food consumption may cause behavioural problems in children. This problem occurs mainly because of the
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transactions with the help of the internet. With technology rapidly changing and upgrading every now and then‚ companies must adopt to be able to excel in each business’s “cut-throat” competition. Automation of one’s point of sale and inventory system puts you a step ahead in the game. It helps you conduct business transactions with ease as you only have to press a few keys. It liberates you from countless paper works as computation of the day’s sale and keeping track of inventory are done automatically
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Two ways of losing weight: Two ways of losing weight are eating healthy and exercising. These are the two most important methods of losing weight. These are the best methods. There are many ways to lose weight‚ from diet and exercise to extremes measures such as surgery. Diet and exercise is the healthiest way for a person to lose weight. Simple modifications in one’s diet combined with regular exercise can have a dramatic effect and will encourage habits
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during the experiment. 9. If the experiment were left standing for 24 hours‚ the temperatures of both of the cups will eventually go back to be the temperature of the air in the room. 10. I would modify the equipment to increase the rate of heat transfer from the hot cup to the cold cup by putting a container over the cups so the heat lost to the air could be decreased and more of that energy could be transferred directly into the cold cup. 11. There is a change in rate of energy exchange as time
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04/28/2012 Mss. Brown Iraq for Sale The first scenario shows how a young man gets killed because of lack of protection in his vehicle. Scotty had a two month contract in Iraq which also allowed him to make a lot more money working there. Blackwater security counseling is the name of the company he worked for. There were four American civilians killed and sadly Scotty was one of them. First his vehicle was not armored properly. Second there was no gunner‚ they should have had heavy machine guns
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Losing Weight COM/150 Effective Essay Writing (AXIA) Struggling with the issues of weight loss and living a healthier lifestyle. Losing weight could be a short term goal‚ but the main idea is to eat and maintain a healthier lifestyle. Many Americans struggle with difficulties of weight loss‚ not only losing the weight but keeping it off. Different methods are used for losing weight‚ such as‚ exercise‚ various types of dieting and some medically needed procedures. Even though weight loss is
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Two Methods of Losing Weight Brenda Sepulveda COM/155 March 10‚ 2013 Holly Ledcke Losing weight has been a battle that many people seem to be fighting. Some may want to lose a few pounds while others struggle to get back in shape and maintain it‚ even if it means going about it the hard way. Although a healthy diet and starvation both consist of calorie restriction to lose weight the difference can improve or put a person’s health at risk. Eating a healthy well balanced diet
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