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-15°C and 35°C as evaporator and condenser temperature respectively. Using PH chart determine
i. COP
ii. Mass flow of refrigerant per TR
iii. Piston displacement per TR using volumetric efficiency = 80%
iv. Heat rejected in the condenser per TR
v. Ideal COP
Marks: 5M, 6M
Year: Dec2014, Dec2015, Dec2013, May2014