Refrigeration and Air Conditioning In a domestic vapour compression refrigerator, the refrigerant commonly used is All of these R-12 CO? Ammonia All of these R-12 CO? Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be Same More/less depending on rating Less More Same More/less depending on rating Less More ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, heat absorbed in comparison to heat rejected is Same More More for small capacity and less for high capacity Less Same More More for small capacity and less for high capacity Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like Carnot cycle Reversed Carnot cycle None of these Carnot cycle Reversed Carnot cycle None of these 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) 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 In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is There is no such consideration More than or equal to 3.65 kg Less than 2 kg More than 10 kg There is no such consideration More than or equal to 3.65 kg Less than 2 kg More than 10 kg ANSWER DOWNLOAD EXAMIANS APP