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 One tonne of refrigeration (1TR) means that the heat removing capacity is 210 kJ/min 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min 21 kJ/min 620 kJ/min 420 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour Before entering the expansion valve After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Bell Coleman Stirling Carnot Ericson Bell Coleman Stirling Carnot Ericson ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Enthalpy increase in compressor Work done by compressor All of these Heat of compression Enthalpy increase in compressor Work done by compressor All of these Heat of compression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process Constant pressure expansion process Constant pressure cooling process Isentropic expansion process Isentropic compression process Constant pressure expansion process Constant pressure cooling process Isentropic expansion process ANSWER DOWNLOAD EXAMIANS APP
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