Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Mean radiant temperature None of the listed here Effective temperature Dew point temperature Mean radiant temperature None of the listed here Effective temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It gives higher coefficient of performance All of these It has low operating pressures It is miscible with oil over large range of temperatures It gives higher coefficient of performance All of these It has low operating pressures It is miscible with oil over large range of temperatures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air Remains constant Increases Decreases None of these Remains constant Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by P.F. - 1 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. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner. None of these More Less Same None of these More Less Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in Water coolers All of these Domestic refrigerators Room air conditioners Water coolers All of these Domestic refrigerators Room air conditioners ANSWER DOWNLOAD EXAMIANS APP
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