MCQOPTIONS
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MCQOPTIONS
| 1. |
In centreless grinding, the surface speed of regulating wheel is |
| A. | 5 to 15 m/min |
| B. | 15 to 60 m/min |
| C. | 60 to 90 m/min |
| D. | 90 to 120 m/min |
| Answer» C. 60 to 90 m/min | |