Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will May increase or decrease depending on the type of refrigerant used Decrease Remain unaffected Increase May increase or decrease depending on the type of refrigerant used Decrease Remain unaffected Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature Lowers compressor capacity because vapour is lighter All of these Increases power required per ton of refrigeration Lowers evaporation temperature Lowers compressor capacity because vapour is lighter All of these Increases power required per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 6 5 0.2 1.2 6 5 0.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Degree of saturation Dew point depression Wet bulb depression Dry bulb depression Degree of saturation Dew point depression Wet bulb depression Dry bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP