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Efficiency, coefficient of performance and Carnot Cycle (id: c14379df2)

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admin 发表于 2024-8-5 13:33:51 | 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]
10.49: A monatomic i,ysn 4 ,y6gevlj*p ,g*0ud,bv h 0fdonx2 :ice .3vsfqdeal gas is the working substance for an engine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are3si2 c.veq:x f all isochoric or isobaric with pressures between $P_0$ and $2P_0$ and volumes between $V_0$ and $1.5V_0$ . What is the efficiency of this engine?



A. 1/8
B. 1/5
C. 1/3
D. 2/3
E. 5/7


参考答案:  A


本题详细解析: 暂无

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