Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + C.O.P 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. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Presence of moisture in a refrigerant affects the working of Expansion valve Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 25 kJ/kg 50 kJ/kg 100 kJ/kg 125 kJ/kg 25 kJ/kg 50 kJ/kg 100 kJ/kg 125 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For unsaturated air, the dew point temperature is __________ wet bulb temperature. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS