Physics Unit15: Laws of Thermodynamics (id: a2144767f)

本题目来源于试卷: Physics Unit15: Laws of Thermodynamics，类别为 通用国际物理

[单选题]
What is the maximum theoremon2 mrw*-oww9( q)rvtical efficirs hlv(1u .h(u1ux3h 4tx7k )ffr (tfsency possible for an engine operating betweet)x(4r1.h ksxuf7t( u1fu lf h(hsr3vn $100 ^{\circ}C$ and $400 ^{\circ}C$?

A. 25%
B. 45%
C. 55%
D. 75%


参考答案:  B


本题详细解析: 暂无

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