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研究所、轉學考(插大)◆普通物理學題庫下載題庫

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(19)A cyclic heat engine operates between a source temperature of 900°C and a sink temperature of 20°C. The mechanical work done by this engine is 2 kW. What is the least rate of heat rejection per kW net output of the engine?
(A)0.39
(B)0.46
(C)0.53
(D)0.67
(E)0.79


(19)A cyclic heat engine operates betwee..-阿摩線上測驗