500 kJ of heat is removed from a cooled space, in a reversed Carnot cy – McqOptions

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1.	500 kJ of heat is removed from a cooled space, in a reversed Carnot cycle refrigerator, by an evaporator by refrigerant at – 23oC. The change in entropy of the refrigerant is:
A.	2 kJ/K
B.	– 2 kJ/K
C.	21.74 kJ/oC
D.	0.5 kJ/K
Answer» B. – 2 kJ/K

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