問題詳情

49. A Carnot engine operates between two temperatures TH and TC. It takes in 600 J of heat from high-temperature reservoir atTH = 327℃in each cycle and gives up 200 J to the low-temperature (TC) reservoir. What is the thermal efficiency of thecycle?
(A)67%
(B)33%
(C)75%
(D)50%
(E)25%



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