railway RRB JE (CBT I + CBT II) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Vapour Absorption (V-A) Cycle
In aqua-ammonia and Li-Br water absorption refrigeration system, the refrigerants are __________ respectively.
1
water and water
2
water and Li-Br
3
ammonia and Li-Br
4
ammonia and water