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 0.6 0.376 0.4 0.67 0.6 0.376 0.4 0.67 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be As low as possible (3 to 11°C) High, of the order of 25° Any value Zero As low as possible (3 to 11°C) High, of the order of 25° Any value Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 5 6 0.2 1.2 5 6 0.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Evaporation Expansion Condensation Compression Evaporation Expansion Condensation Compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 10°C 5°C 20°C 15°C 10°C 5°C 20°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.1 0.75 0.25 0.5 0.1 0.75 0.25 ANSWER DOWNLOAD EXAMIANS APP
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