Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be A mixture of liquid and vapour refrigerant Superheated vapour refrigerant None of these Dry saturated liquid refrigerant A mixture of liquid and vapour refrigerant Superheated vapour refrigerant None of these Dry saturated liquid refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Cooling and dehumidification Dehumidification and pure sensible cooling Cooling and humidification Dehumidification Cooling and dehumidification Dehumidification and pure sensible cooling Cooling and humidification Dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have High boiling point Higher critical temperature High latent heat of vaporisation Tow specific heat of liquid High boiling point Higher critical temperature High latent heat of vaporisation Tow specific heat of liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at lower speeds Raising the higher temperature Lowering the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Raising the higher temperature Lowering the higher temperature Operating the machine at higher speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, All of these Dry bulb temperature increases Dew point temperature decreases Wet bulb temperature decreases All of these Dry bulb temperature increases Dew point temperature decreases Wet bulb temperature decreases ANSWER DOWNLOAD EXAMIANS APP
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
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