Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Increase cooling effect Reduce compressor discharge temperature Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Increase cooling effect Reduce compressor discharge temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Aluminium Steel Copper Brass Aluminium Steel Copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During dehumidification process, _________ remains constant. Dry bulb temperature Relative humidity Wet bulb temperature Specific humidity Dry bulb temperature Relative humidity Wet bulb temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.25 0.5 0.8 1.25 0.25 0.5 0.8 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure vapour refrigerant None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Condenser tubes Refrigerant cooling tubes Evaporator tubes Capillary tubes Condenser tubes Refrigerant cooling tubes Evaporator tubes Capillary tubes ANSWER DOWNLOAD EXAMIANS APP
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