engineering recuitment ISRO Scientist Mechanical Mock Test Thermodynamics Second Law of Thermodynamics and Entropy
For the following T-s diagram pick the correct option.
1
This represents a heat engine with cycle efficiency = 0.6; net work = 1053 kJ/kg.
2
This represents a heat pump with COP = 0.6; net work = 1237 kJ/kg.
3
This represents a heat engine with cycle efficiency = 0.4; net work = 1053 kJ/kg.
4
This represents a refrigerator with COP = 0.4; net work = 702 kJ/kg.