Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Optimum Any value Low High Optimum Any value Low High ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and lithium bromide Water and water Ammonia and water Water and lithium bromide Ammonia and lithium bromide Water and water Ammonia and water Water and lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load None of these Is suitable only for constant load systems Maintains different temperatures in evaporator in proportion to load Ensures the evaporator completely filled with refrigerant of the load None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that All of these It permits complete evaporation in the evaporator It results in high volumetric and mechanical efficiency It permits higher speeds to be used All of these It permits complete evaporation in the evaporator It results in high volumetric and mechanical efficiency It permits higher speeds to be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Increases power required per ton of refrigeration Lowers evaporation temperature All of these Lowers compressor capacity because vapour is lighter Increases power required per ton of refrigeration Lowers evaporation temperature All of these Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Other factors decide C.O.P Increases C.O.P O.P remains unaltered Decreases C.O.P Other factors decide C.O.P Increases C.O.P O.P remains unaltered Decreases C.O.P ANSWER DOWNLOAD EXAMIANS APP
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