Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 0.1 ton 10 tons 5 tons 40 tons 0.1 ton 10 tons 5 tons 40 tons ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Rankine cycle Reversed Joule cycle Reversed Otto cycle Reversed Carnot cycle Reversed Rankine cycle Reversed Joule cycle Reversed Otto cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle O.P remains unaltered Other factors decide C.O.P Increases C.O.P Decreases C.O.P O.P remains unaltered Other factors decide C.O.P Increases C.O.P Decreases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration cycle, the flow of refrigerant is controlled by Condenser Compressor Evaporator Expansion valve Condenser Compressor Evaporator Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at higher speeds Lowering the higher temperature Raising the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Lowering the higher temperature Raising the higher temperature Operating the machine at lower speeds 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) 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP