A reversible refrigerator working between two fixed temperatures – McqOptions

MCQOPTIONS

1.	A reversible refrigerator working between two fixed temperatures
A.	has the same COP whatever the working substance
B.	has its COP increased for working substance with high enthalpy of evaporation
C.	has its COP increased for working substance with higher specific heats
D.	none of above
Answer» B. has its COP increased for working substance with high enthalpy of evaporation

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