engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Refrigeration and Air Conditioning Refrigeration Cycles and Devices
In ammonia-water vapour absorption refrigeration system
1
Ammonia is the refrigerant and water is absorbent
2
Ammonia is the absorbent and water is refrigerant
3
Both ammonia and water are refrigerants
4
Both ammonia and water are absorbents