Refrigeration and Air Conditioning The relative coefficient of performance is 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 Actual COP × theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1 2.15 5.12 1.25 1 2.15 5.12 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Ice at 4°C Solid and dry ice Mixture of ice and water under equilibrium conditions Water at 0°C Ice at 4°C Solid and dry ice Mixture of ice and water under equilibrium conditions Water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the All of these Heat of compression Enthalpy increase in compressor Work done by compressor All of these Heat of compression Enthalpy increase in compressor Work done by compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like Reversed Carnot cycle Carnot cycle None of these Reversed Carnot cycle Carnot cycle None of these ANSWER DOWNLOAD EXAMIANS APP
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