railway RRB JE (CBT I + CBT II) Mock Test 2024 Power Engineering Air and Gas Compressors Reciprocating Compressors
A reciprocating compressor having 0.20 m bore and 0.25 m stroke runs at 600 rpm. If the actual volume delivered by compressor is 4 m3/min, its volumetric efficiency will be about
1
70%
2
75%
3
80%
4
85%