Calculate the engine efficiency
A Carnot engine absorbs 53.2 kJ as heat and exhausts 33.0 kJ as heat in each cycle. Calculate (a) the engine's efficiency (no unit) and (b) the work done per cycle in kilojoules.
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A Carnot engine whose low-temperature reservoir is at 17.7°C has an efficiency of 29.2%. By how much should the Celsius temperature of the high-temperature reservoir be increased to increase the efficiency to 66.0%?
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Let p denote the true proportion of ticket holders who buy tickets again for the following season. A random sample of 125 ticket holders revealed 90 people plan on renewing their tickets. Give a point estimate for p and find the estimated margin o
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What are the different ways to estimate bad debt? How does this affect net income? What does Generally Accepted Accounting Principles (GAAP) require? Why? Should all companies have bad debt? Explain your answer.
A Carnot engine operates between 254°C and 117°C, absorbing 5.58 x 104 J per cycle at the higher temperature. (a) What is the efficiency of the engine? (b) How much work per cycle is this engine capable of performing?
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