railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Different Machining Processes
G-ratio varies from ________ in very rough grinding.
1
11.0 to 15.0
2
6.0 to 10.0
3
1.0 to 5.0
4
16.0 to 20.0