Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant temperature lines Constant entropy lines Constant total heat lines Constant pressure lines Constant temperature lines Constant entropy lines Constant total heat lines Constant pressure lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature. Lower than None of these Higher than Same as Lower than None of these Higher than Same as ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour After passing through the expansion or throttle valve After passing through the condenser Before entering the compressor Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the compressor Before passing through the condenser 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
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 21 kJ/ min 210 kJ/ min 420 kJ/ min 840 kJ/ min 21 kJ/ min 210 kJ/ min 420 kJ/ min 840 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.75 0.25 0.1 0.5 0.75 0.25 0.1 ANSWER DOWNLOAD EXAMIANS APP