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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 | |