問題詳情

44. What is the efficiency if a Carnot engine transfers 9.5×103J of energy from a hot reservoir duringa cycle and dumps 2×103J heat to a cold reservoir?
(A) 0.69
(B) 0.84
(C) 0.79
(D) 0.65
(E) 0.72

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增