Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is (T₂ - T₁)/T₁ T₁/(T₂ - T₁) (T₁ - T₂)/T₁ T₂/(T₂ - T₁) (T₂ - T₁)/T₁ T₁/(T₂ - T₁) (T₁ - T₂)/T₁ T₂/(T₂ - T₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Freon Brine Carbon dioxide Ammonia Freon Brine Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling of air, specific humidity Remains constant Decreases None of the listed here Increases Remains constant Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Carnot cycle Electrolux refrigerator Vapour compression Vapour absorption Carnot cycle Electrolux refrigerator Vapour compression Vapour absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Lithium bromide R-12 Sulphur dioxide Carbon dioxide Lithium bromide R-12 Sulphur dioxide Carbon dioxide 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 Increase Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used Increase Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used ANSWER DOWNLOAD EXAMIANS APP
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