23) A Carnot (ideal) heat engine operates between 400K and 500 K. Its efficiency is: a) 20% b) 25% c) 44% d) 80% e) 100%
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23) A Carnot (ideal) heat engine operates between 400K and 500 K. Its efficiency is: a) 20% b) 25% c) 44% d) 80% e) 100%
23) A Carnot (ideal) heat engine operates between 400K and 500 K. Its efficiency is: a) 20% b) 25% c) 44% d) 80% e) 100% 24) A certain heat engine draws 500 joules/s from a water bath at 500°C and rejects 400 joules/s to a reservoir at 300°C. The efficiency of this engine is: a) 80% b) 75% c) 60% d) 25% e) 20%
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