Refrigeration and Air Conditioning The relative coefficient of performance is equal to None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Increases C.O.P 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity. 1 kg of wet air 1 kg of dry air 1 m3 of water 1 m3 of dry air 1 kg of wet air 1 kg of dry air 1 m3 of water 1 m3 of dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Dew point temperature None of the listed here Effective temperature Mean radiant temperature Dew point temperature None of the listed here Effective temperature Mean radiant temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be Small Equal Anything High Small Equal Anything High ANSWER DOWNLOAD EXAMIANS APP