Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. Reduce Equalize None of these Increase Reduce Equalize None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Both (A) and (B) Bell Coleman cycle None of these Reversed Carnot cycle Both (A) and (B) Bell Coleman cycle None of these Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature All of these Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter Lowers evaporation temperature All of these Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Aqua-ammonia Freon Water Ammonia Aqua-ammonia Freon Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation Low boiling point All of these High critical temperature High latent heat of vaporisation Low boiling point All of these High critical temperature ANSWER DOWNLOAD EXAMIANS APP
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