Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Suction pressure Back pressure Discharge pressure Critical pressure Suction pressure Back pressure Discharge pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant None of these Superheated vapour refrigerant Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant None of these Superheated vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -75.2°C -135.8°C -77.7°C -56.6°C -75.2°C -135.8°C -77.7°C -56.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Dry bulb depression Wet bulb depression Degree of saturation Dew point depression Dry bulb depression Wet bulb depression Degree of saturation Dew point depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 1.86 kW 7.44 kW 18.6 kW 3.72 kW 1.86 kW 7.44 kW 18.6 kW 3.72 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure liquid and vapour refrigerant None of these Low pressure vapour refrigerant High pressure liquid refrigerant Low pressure liquid and vapour refrigerant None of these Low pressure vapour refrigerant High pressure liquid refrigerant ANSWER DOWNLOAD EXAMIANS APP