Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Axial Piston type reciprocating Centrifugal Miniature sealed unit Axial Piston type reciprocating Centrifugal Miniature sealed unit ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a bootstrap air evaporative cooling system, the evaporator is provided Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger Between the first heat exchanger and the secondary compressor Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger Between the first heat exchanger and the secondary compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Evaporator Compressor Condenser Expansion valve Evaporator Compressor Condenser Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The mass of water vapour present in __________ is called absolute humidity. 1 kg of wet air 1 kg of dry air 1 m3 of water 1 m3 of dry air 1 kg of wet air 1 kg of dry air 1 m3 of water 1 m3 of dry air 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) 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP