Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Compressor Evaporator Expansion valve Condenser Compressor Evaporator Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature 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 bootstrap air evaporative cooling system, the evaporator is provided Between the second heat exchanger and the cooling turbine Between the first heat exchanger and the secondary compressor Between the combustion chamber and the first heat exchanger Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the first heat exchanger and the secondary compressor Between the combustion chamber and the first heat exchanger Between the secondary compressor and the second heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Any one of the above Always less than unity Always more than unity Equal to unity Any one of the above Always less than unity Always more than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will never evaporate A gas will never liquefy A gas will immediately liquefy Water will evaporate Water will never evaporate A gas will never liquefy A gas will immediately liquefy Water will evaporate ANSWER DOWNLOAD EXAMIANS APP
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