Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It has low operating pressures All of these It is miscible with oil over large range of temperatures It gives higher coefficient of performance It has low operating pressures All of these It is miscible with oil over large range of temperatures It gives higher coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Electrolux refrigerator is the ratio of Heat absorbed by the evaporator to the heat supplied by the gas burner Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner Heat supplied by the gas burner to the heat absorbed by the evaporator Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator Heat absorbed by the evaporator to the heat supplied by the gas burner Heat supplied by the gas burner minus the heat absorbed by the evaporator to the heat supplied by the gas burner Heat supplied by the gas burner to the heat absorbed by the evaporator Heat absorbed by the evaporator minus the heat supplied by the gas burner to the heat absorbed by the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Can be lower or higher than that of the entering air Is lower than that of the entering air None of the listed here Is higher than that of the entering air Can be lower or higher than that of the entering air Is lower than that of the entering air None of the listed here Is higher than that of the entering air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 + B.P.F. 1 - B.P.F. 1/ B.P.F. P.F. - 1 1 + B.P.F. 1 - B.P.F. 1/ B.P.F. P.F. - 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. Same as Lower than Higher than None of the listed here Same as Lower than Higher than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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
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