Q. For centreless grinding the surface speed is (Solved)
1. 1200 to 1500 metres per minute
2. 600 to 900 metres per minute
3. 500 to 600 metres per minute
4. 1500 to 1800 metres per minute
5. Parting off
- d. 1500 to 1800 metres per minute
1. 1200 to 1500 metres per minute
2. 600 to 900 metres per minute
3. 500 to 600 metres per minute
4. 1500 to 1800 metres per minute
5. Parting off