Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Relative coefficient of performance Coefficient of performance of refrigeration Refrigerating efficiency Coefficient of performance of heat pump Relative coefficient of performance Coefficient of performance of refrigeration Refrigerating efficiency Coefficient of performance of heat pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Higher Lower None of these Same Higher Lower None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during dehumidification process Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) 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 temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called None of these Dew point temperature Wet bulb temperature Dry bulb temperature None of these Dew point temperature Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Corrosion of steel plates All of these Freezing at the expansion valve Restriction to refrigerant flow Corrosion of steel plates All of these Freezing at the expansion valve Restriction to refrigerant flow ANSWER DOWNLOAD EXAMIANS APP