Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. Lower Higher None of these Same Lower Higher None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 50 to 70°C 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature. Same as Higher than None of these Lower than Same as Higher than None of these Lower than ANSWER DOWNLOAD EXAMIANS APP