railway RRB JE (CBT I + CBT II) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Reversed Carnot Cycle
A machine working on a Carnot cycle operates between 305 K and 260 K. Determine the C.O.P. when it is operated as a refrigerating machine.
1
5.78
2
6.78
3
0.147
4
None of the above