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 Carbon dioxide Sulphur dioxide Lithium bromide R-12 Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Theoretical COP/actual COP None of these Actual COP × theoretical COP Actual COP/theoretical COP Theoretical COP/actual COP None of these Actual COP × theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour After passing through the expansion or throttle valve Before entering the compressor After passing through the condenser Before passing through the condenser After passing through the expansion or throttle valve Before entering the compressor After passing through the condenser Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Dry air Specific humidity Moist air Saturated air Dry air Specific humidity Moist air Saturated air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air None of these Remains constant Increases Decreases None of these Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Ericson Bell Coleman Stirling Carnot Ericson Bell Coleman Stirling Carnot ANSWER DOWNLOAD EXAMIANS APP
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