The efficiency of a Carnot engine is given by 0.80. If the cycle direc – McqOptions

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1.	The efficiency of a Carnot engine is given by 0.80. If the cycle direction is reversed, then will be the COP for the Carnot refrigerator?
A.	0.25
B.	0.27
C.	0.3
D.	0.33
Answer» B. 0.27

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