Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Good electrical conductor Low boiling point High risibility with oil Large latent heat Good electrical conductor Low boiling point High risibility with oil Large latent heat 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 Formation of frost on evaporator in refrigerator Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Same Lower Higher None of these Same Lower Higher None of these 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 Dry bulb temperature None of these Dew point temperature Wet bulb temperature Dry bulb temperature None of these Dew point temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air conditioning means Dehumidifying All of these Heating Cooling Dehumidifying All of these Heating Cooling ANSWER DOWNLOAD EXAMIANS APP
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