Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP × theoretical COP Theoretical COP/actual COP None of these Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP None of these Actual COP/theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Expansion Evaporation Compression Condensation Expansion Evaporation Compression Condensation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -135.8°C -107.7°C -95.2°C -86.6°C -135.8°C -107.7°C -95.2°C -86.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Wet bulb temperature of air Dew point temperature of air Dry bulb temperature of air Ambient air temperature Wet bulb temperature of air Dew point temperature of air Dry bulb temperature of air Ambient air temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, Wet bulb temperature decreases Dew point temperature decreases All of these Dry bulb temperature increases Wet bulb temperature decreases Dew point temperature decreases All of these Dry bulb temperature increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is 100 50 20 Zero 100 50 20 Zero ANSWER DOWNLOAD EXAMIANS APP
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