Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 3 kW 4 kW 2 kW 1 kW 3 kW 4 kW 2 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a bootstrap air evaporative cooling system, the evaporator is provided Between the first heat exchanger and the secondary compressor Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger Between the first heat exchanger and the secondary compressor Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Water at 0°C Solid and dry ice Ice at 4°C Mixture of ice and water under equilibrium conditions Water at 0°C Solid and dry ice Ice at 4°C Mixture of ice and water under equilibrium conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant High pressure liquid refrigerant None of these Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant High pressure liquid refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -95.2°C -107.7°C -86.6°C -135.8°C -95.2°C -107.7°C -86.6°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP
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