Refrigeration and Air Conditioning The boiling point of ammonia is -77.7°C -33.3°C -10.5°C -30°C -77.7°C -33.3°C -10.5°C -30°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Absorber and generator Liquid pump Generator Absorber, generator and liquid pump Absorber and generator Liquid pump Generator Absorber, generator and liquid pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 15 bar 8 bar 30 bar 2 bar 15 bar 8 bar 30 bar 2 bar ANSWER DOWNLOAD EXAMIANS APP
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 Remain unaffected Decrease Increase May increase or decrease depending on the type of refrigerant used Remain unaffected Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Suction pressure Back pressure Discharge pressure Critical pressure Suction pressure Back pressure Discharge pressure Critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Dry vapour Wet vapour Very wet vapour High pressure saturated liquid Dry vapour Wet vapour Very wet vapour High pressure saturated liquid ANSWER DOWNLOAD EXAMIANS APP
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