Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1 2.15 5.12 1.25 1 2.15 5.12 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Carnot Rankine Reversed Rankine Reversed Carnot Carnot Rankine Reversed Rankine Reversed Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid After passing through the expansion throttle valve After passing through the condenser Before passing through the condenser Before entering the expansion valve After passing through the expansion throttle valve After passing through the condenser Before passing through the condenser Before entering the expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will May increase or decrease depending on the type of refrigerant used Increase Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used Increase Decrease Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
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 Increase None of these Equalize Reduce Increase None of these Equalize ANSWER DOWNLOAD EXAMIANS APP
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