Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 8°C 14°C 5°C 22°C 8°C 14°C 5°C 22°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Cost is too high Capacity control is not possible Required pressure drop cannot be achieved It is made of copper Cost is too high Capacity control is not possible Required pressure drop cannot be achieved It is made of copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 kg of wet air 1 m3 of dry air 1 m3 of wet air 1 kg of dry air 1 kg of wet air 1 m3 of dry air 1 m3 of wet air 1 kg of dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C None of these 20 to 50°C 50 to 70°C 70 to 110°C None of these 20 to 50°C 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Freon Aqua-ammonia Ammonia Water Freon Aqua-ammonia Ammonia Water ANSWER DOWNLOAD EXAMIANS APP
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