Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 kg of wet air 1 m3 of dry air 1 kg of dry air 1 m3 of wet air 1 kg of wet air 1 m3 of dry air 1 kg of dry air 1 m3 of wet air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour After leaving the condenser After leaving the compressor Before entering the compressor Before entering the condenser After leaving the condenser After leaving the compressor Before entering the compressor Before entering the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Freon Water Aqua-ammonia Ammonia Freon Water Aqua-ammonia Ammonia 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 3.72 kW 7.44 kW 18.6 kW 1.86 kW 3.72 kW 7.44 kW 18.6 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called Humidity ratio Absolute humidity Degree of saturation Relative humidity Humidity ratio Absolute humidity Degree of saturation Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be Cooled and humidified Cooled and dehumidified Heated and humidified Heated and dehumidified Cooled and humidified Cooled and dehumidified Heated and humidified Heated and dehumidified ANSWER DOWNLOAD EXAMIANS APP
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