Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Lithium bromide Carbon dioxide Sulphur dioxide R-12 Lithium bromide Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High specific volume and high latent heat of vaporisation High operating pressures and low freezing point High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During dehumidification process, _________ remains constant. Specific humidity Relative humidity Wet bulb temperature Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Soap and water All of these Sulphur sticks Halide torch Soap and water All of these Sulphur sticks Halide torch ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of 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 Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Could be anything Equal to atmospheric pressure Higher than atmospheric pressure Lower than atmospheric pressure Could be anything Equal to atmospheric pressure Higher than atmospheric pressure Lower than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP