Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP × theoretical COP Theoretical COP/actual COP Actual COP/theoretical COP None of these Actual COP × theoretical COP Theoretical COP/actual COP Actual COP/theoretical COP None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Increases C.O.P. Does not alter C.O.P. None of these Decreases C.O.P. Increases C.O.P. Does not alter C.O.P. None of these Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour is driven out of solution Weak solution mixes with strong solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Ammonia vapour is driven out of solution Weak solution mixes with strong solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Raise the pressure of the refrigerant Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system All of these Raise the pressure of the refrigerant Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For unsaturated air, the dew point temperature is __________ wet bulb temperature. More than Equal to None of these Less than More than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Bright green Yellow Red Orange Bright green Yellow Red Orange ANSWER DOWNLOAD EXAMIANS APP
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