Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system Regenerative air cooling system Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system Regenerative air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called Dry bulb temperature Wet bulb temperature Dew point temperature None of these Dry bulb temperature Wet bulb temperature Dew point temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Steel Copper Brass Aluminium Steel Copper Brass Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation High critical temperature Low boiling point All of these High latent heat of vaporisation High critical temperature Low boiling point All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity. 1 kg of dry air 1 m3 of water 1 kg of wet air 1 m3 of dry air 1 kg of dry air 1 m3 of water 1 kg of wet air 1 m3 of dry air ANSWER DOWNLOAD EXAMIANS APP