The COP of an ideal refrigerator is N. If the machine is operated as a – McqOptions

MCQOPTIONS

1.	The COP of an ideal refrigerator is N. If the machine is operated as a heat pump between the same temperature limits, its COP will be
A.	N – 1
B.	N
C.	N + 1
D.	2N
Answer» D. 2N

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