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 During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High operating pressures and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation Low C.O.P. and low freezing point High operating pressures and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Not dependent on season Same in winter and summer Higher in winter than in summer Lower in winter than in summer Not dependent on season Same in winter and summer Higher in winter than in summer Lower in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called Dew point temperature Wet bulb temperature Dry bulb temperature None of these Dew point temperature Wet bulb temperature Dry bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capacity of a domestic refrigerator is in the range of 5 to 7 TR 1 to 3 TR 0.1 to 0.3 TR 3 to 5 TR 5 to 7 TR 1 to 3 TR 0.1 to 0.3 TR 3 to 5 TR ANSWER DOWNLOAD EXAMIANS APP