Q. A drilling machine has spindle speeds from 70 to 800 rpm in eight steps. The fourth speed from the lowest will be (Solved)
1. 245 rpm
2. 340 rpm
3. 175 rpm
4. 300 rpm
5. 198 rpm
- e. 198 rpm
1. 245 rpm
2. 340 rpm
3. 175 rpm
4. 300 rpm
5. 198 rpm