SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Refrigeration and Air Conditioning Refrigeration Cycles and Devices Vapour Absorption (V-A) Cycle
Consider the following statements:
1. An ammonia absorption refrigerator has a COP, more than 3 and is superior to vapor compression system.
2. Ammonia absorption machines are preferable where waste heat is available from an existing source.
3. Absorption refrigerator has no moving parts and hence needs little maintenance.
4. The partial pressure of ammonia vapor varies, being high in the condenser and low in the evaporator.
Which of these statements are correct?
1
1, 2, 3 and 4
2
1, 2, and 3 only
3
2, 3, and 4 only
4
1 and 4 only