Efficiency, coefficient of performance and Carnot Cycle (id: 18e2cd724)

本题目来源于试卷: Efficiency, coefficient of performance and Carnot Cycle，类别为 美国物理杯赛(Physics Bowl)

[单选题]
98.07: A heat engine takes in 200 Jemcrtyve79e50 3saijti- 8,o of thermal energy and perdv gam(g w 32kzqq+5o 6ay7+wkforms 50 J of work in each cycle. What is da67qg2(v kqw za5 3omk++wygits efficiency?

A. 500 %
B. 400 %
C. 25 %
D. 20 %
E. 12 %


参考答案:  C


本题详细解析: 暂无

微信扫一扫，分享更方便