Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation High critical temperature All of these Low boiling point High latent heat of vaporisation High critical temperature All of these Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle 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 Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Any one of the above Equal to unity Always more than unity Always less than unity Any one of the above Equal to unity Always more than unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in Room air conditioners Water coolers Domestic refrigerators All of these Room air conditioners Water coolers Domestic refrigerators All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Low side float valve High side float valve Thermostatic expansion valve Automatic expansion valve Low side float valve High side float valve Thermostatic expansion valve Automatic expansion valve ANSWER DOWNLOAD EXAMIANS APP
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