Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into High pressure liquid refrigerant None of these Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant High pressure liquid refrigerant None of these Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The undesirable property of a refrigerant is Non-explosive Non-flammable High boiling point Non-toxic Non-explosive Non-flammable High boiling point Non-toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 4 kW 3 kW 2 kW 1 kW 4 kW 3 kW 2 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Back pressure Critical pressure Discharge pressure Suction pressure Back pressure Critical pressure Discharge pressure Suction pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High critical temperature Low boiling point All of these High latent heat of vaporisation High critical temperature Low boiling point All of these High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS