Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? High risibility with oil Good electrical conductor Large latent heat Low boiling point High risibility with oil Good electrical conductor Large latent heat Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) (T₂ - T₁)/T₁ T₁ / (T₂ - T₁) T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ T₁ / (T₂ - T₁) T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ 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 Remain unaffected Increase Decrease May increase or decrease depending on the type of refrigerant used Remain unaffected Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Sulphur dioxide R-12 Carbon dioxide Ammonia Sulphur dioxide R-12 Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is more than 1 Is equal to 1 Is less than 1 Depends upon the make Is more than 1 Is equal to 1 Is less than 1 Depends upon the make ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration cycle, the flow of refrigerant is controlled by Condenser Compressor Evaporator Expansion valve Condenser Compressor Evaporator Expansion valve ANSWER DOWNLOAD EXAMIANS APP
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