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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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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