Physics Unit15: Laws of Thermodynamics (id: 52558cb58)

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]
A heat engine absorbs8cdk( j 1hmiv5 64 kcal of heat ea/8kit qernf zs*f wm6w6u77bl +q4j+kch cycle and exhausts 42 kcal. Calculate the efficiency of eafu +76fe7rw * /mn6 4t+j swliz8kkqbqch cycle.

A. 34%
B. 66%
C. 50%
D. 150%


参考答案:  A


本题详细解析: 暂无

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