Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 + (1/C.O.P) 1 + C.O.P 1 - C.O.P. 1 - (1/C.O.P) 1 + (1/C.O.P) 1 + C.O.P 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Direct Compression Indirect Absorption Direct Compression Indirect Absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like Carnot cycle None of these Reversed Carnot cycle Carnot cycle None of these Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.67 0.376 0.4 0.6 0.67 0.376 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is applicable for registration at Sublimation temperature Triple point Saturation point of vapour Saturation point of liquid Sublimation temperature Triple point Saturation point of vapour Saturation point of liquid ANSWER DOWNLOAD EXAMIANS APP