Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Improves C.O.P. of the system Increases power consumption Reduces power consumption Increases heat transfer Improves C.O.P. of the system Increases power consumption Reduces power consumption Increases heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Specific humidity Saturated air Dry air Moist air Specific humidity Saturated air Dry air Moist air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Ammonia Freon Aqua-ammonia Water Ammonia Freon Aqua-ammonia Water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia is absorbed in hydrogen Ammonia is absorbed in water Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia is absorbed in water Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Presence of moisture in a refrigerant affects the working of Condenser Expansion valve Evaporator Compressor Condenser Expansion valve Evaporator Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.67 0.6 0.4 0.376 0.67 0.6 0.4 0.376 ANSWER DOWNLOAD EXAMIANS APP
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