MCQOPTIONS
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MCQOPTIONS
| 1. |
Why ball and race mill is also called as contact mill? |
| A. | Because of rolling action between the balls and races |
| B. | Because of ramming action between balls and races |
| C. | Because of swirling action of balls and races |
| D. | Because of mixture of balls and races |
| Answer» B. Because of ramming action between balls and races | |