engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Refrigeration Devices
The ratio of clearance volume to the displacement volume of an R12 reciprocating compressor is 0.06. specific volume at inlet and outlet compressors are 0.03 and 0.01 m3/kg respectively. Volumetric efficiency of the compressor is:
1
82%
2
95%
3
76.4%
4
88%