Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Freon Aqua-ammonia Ammonia Water Freon Aqua-ammonia Ammonia Water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Freezing at the expansion valve Corrosion of steel plates All of these Restriction to refrigerant flow Freezing at the expansion valve Corrosion of steel plates All of these Restriction to refrigerant flow ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Regenerative air cooling system Reduced ambient air cooling system Simple air cooling system Bootstrap air cooling system Regenerative air cooling system Reduced ambient air cooling system Simple air cooling system Bootstrap air cooling system 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 C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Same Higher Lower None of these Same Higher Lower None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Specific humidity Relative humidity Dry bulb temperature Wet bulb temperature Specific humidity Relative humidity Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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