SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Refrigeration and Air Conditioning Refrigeration Cycles and Devices
Which of the following statement is wrong
1
The performance of the vapour compression refrigerator varies considerably with both vaporising and condensing temperatures.
2
In vapour compression cycle, the useful part of the heat transfer is at the condenser.
3
In ammonia-hydrogen (Electrolux) refrigerator, no compressor is required.
4
The effect of under cooling the refrigerant is to decrease the coefficient of performance.