engineering recuitment HPCL Engineer Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Vapour Compression (V-C) Cycle
The compressor of an ammonia refrigerating machine has a volumetric efficiency of 85% and swept volume of 0.28 m3/min. Ammonia having a dry specific volume of 0.25 m3/kg enters the compressor with a dryness fraction of 0.7 The mass flow rate of ammonia through the machine is
1
1.28 kg/min
2
1.36 kg/min
3
1.42 kg/min
4
1.54 kg/min