Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Actual COP × theoretical COP None of these Theoretical COP/actual COP Actual COP/theoretical COP Actual COP × theoretical COP None of these Theoretical COP/actual COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 1.25 0.25 0.5 0.8 1.25 0.25 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₂)/(td₃ - td₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Sulphur sticks Halide torch All of these Soap and water Sulphur sticks Halide torch All of these Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Dew point temperature None of these Wet bulb temperature Dry bulb temperature Dew point temperature None of these Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of the refrigeration is The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The cooling effect produced by melting 1 ton of ice The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The cooling effect produced by melting 1 ton of ice ANSWER DOWNLOAD EXAMIANS APP