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Efficiency, coefficient of performance and Carnot Cycle (id: 0d999a1f6)

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admin 发表于 2024-8-5 13:31:46 | 显示全部楼层 |阅读模式
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]
06.44: A refrigerator mustv49 yh.gluyg/ operate when the outside e 3;9flf v6 slkcvv2j,mnvironment is at $22^{\circ}C$ to maintain an environment at $2^{\circ}C$ inside the refrigerator. During one cycle, the refrigerator expels 1200 J of energy to the outside environment while 400 J of work were done. What is the coefficient of performance of this refrigerator?

A. 2.00
B. 3.00
C. 10.00
D. 13.75
E. 14.75


参考答案:  A


本题详细解析: 暂无

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