Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Low Optimum High Any value Low Optimum High Any value ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Increases Decreases Remains constant None of these Increases Decreases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is very wet vapour Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve 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. P.F. - 1 1 - B. P.F. 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B. P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Water Ammonia Aqua-ammonia Freon Water Ammonia Aqua-ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Dry bulb temperature is the temperature of air recorded by a thermometer, when The moisture present in it begins to condense It is not affected by the moisture present in the air None of the listed here Its bulb is surrounded by a wet cloth exposed to the air The moisture present in it begins to condense It is not affected by the moisture present in the air None of the listed here Its bulb is surrounded by a wet cloth exposed to the air ANSWER DOWNLOAD EXAMIANS APP