Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration Higher coefficient of performance High heat transfer rate Low temperature at high altitudes Low weight per tonne of refrigeration Higher coefficient of performance High heat transfer rate Low temperature at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Decreases C.O.P O.P remains unaltered Other factors decide C.O.P Increases C.O.P Decreases C.O.P O.P remains unaltered Other factors decide C.O.P Increases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation All of these Low boiling point High critical temperature High latent heat of vaporisation All of these Low boiling point High critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter All of these Lowers evaporation temperature Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter All of these Lowers evaporation temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Specific humidity Dry bulb temperature Relative humidity Wet bulb temperature Specific humidity Dry bulb temperature Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant increases depends on other factors remains same decreases increases depends on other factors remains same decreases ANSWER DOWNLOAD EXAMIANS APP