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 ntrf b-6+2:cbzekb o:m2rt c7 gas is the working substance for an e :j hnp:/zcl/y.gfhl1ngine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochori ch/z.:: hg/lfy lj1pnc 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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