1.

For the following T-s diagram pick the correct option.

A. This represents a heat engine with cycle efficiency = 0.6; net work = 1053 kJ/kg.
B. This represents a heat pump with COP = 0.6; net work = 1237 kJ/kg.
C. This represents a heat engine with cycle efficiency = 0.4; net work = 1053 kJ/kg.
D. This represents a refrigerator with COP = 0.4; net work = 702 kJ/kg.
Answer» B. This represents a heat pump with COP = 0.6; net work = 1237 kJ/kg.


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