問題詳情

22. The graph in the figure shows a cycle for a heat engine for whichQH= 35 J.
What is the thermal efficiency of this engine?


(A) 14%
(B) 21 %
(C) 29%
(D) 35%
(E) 49 %.

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增