Physics Unit15: Laws of Thermodynamics (id: f3fc4fc7a)

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 refrigerator removes heat from the freezing compartment 8f9 ht*xfo9pgoz gcu,)p+t x)rw j.q t1z/vsb6*jdr1 at the rate of 20 kJ and ejects 24 kJ into a room per cycle. What is thgr cw,1dpu)) z tox+tbj6./rsjqv z*1e coefficient of performance?

A. 0.20
B. 0.50
C. 2.0
D. 5.0


参考答案:  D


本题详细解析: 暂无

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