engineering recuitment ISRO Scientist Mechanical Mock Test Refrigeration and Air Conditioning Refrigeration Cycles and Devices Reversed Brayton Cycle
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 the working substance with CP = 1 kJ/kgK.1
250 kJ/kg
2
200 kJ/kg
3
50 kJ/kg
4
25 kJ/kg