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

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 ideal gas is the working substance for anfc.26e-wypx k.1a dd)bghfz k ,y5 d3v engine ttk;jj3h n q41)/;tr) d dcs6xfpgn .yihat undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochr3/t ;1n.jy)t;d )k dihp6xnsgq4jcforic 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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