Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air None of these Decreases Increases Remains constant None of these Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Electrolux refrigerator Carnot cycle Vapour absorption Vapour compression Electrolux refrigerator Carnot cycle Vapour absorption Vapour compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Water Freon Aqua-ammonia Ammonia Water Freon Aqua-ammonia Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid After passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve Before passing through the condenser After passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Refrigerating efficiency Coefficient of performance of heat pump Coefficient of performance of refrigeration Relative coefficient of performance Refrigerating efficiency Coefficient of performance of heat pump Coefficient of performance of refrigeration Relative coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Is immaterial Results in loss of heat due to poor heat transfer Increases heat transfer rate Can be avoided by proper design Is immaterial Results in loss of heat due to poor heat transfer Increases heat transfer rate Can be avoided by proper design ANSWER DOWNLOAD EXAMIANS APP
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