Refrigeration and Air Conditioning The unit of thermal diffusivity is m²/hK m/h m²/h m/hK m²/hK m/h m²/h m/hK ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is 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 Actual COP/theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that It permits complete evaporation in the evaporator All of these It permits higher speeds to be used It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator All of these It permits higher speeds to be used It results in high volumetric and mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -135.8°C -75.2°C -77.7°C -56.6°C -135.8°C -75.2°C -77.7°C -56.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Dew point temperature of air Wet bulb temperature of air Dry bulb temperature of air Ambient air temperature Dew point temperature of air Wet bulb temperature of air Dry bulb temperature of air Ambient air temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor discharge temperature Reduce compressor overheating Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Reduce compressor overheating Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS