3 in case of a ball mill a coarse feed requires a larger ball b fine feed requires a larger ball c operating speed should be mor

3 in case of a ball mill a coarse feed requires a larger ball b fine feed requires a larger ball c operating speed should be mor

Mechanical Operations. Question 236. In case of a ball mill, A. Coarse feed requires a larger ball. B. Fine feed requires a larger ball. C. Operating speed should be more than the critical speed

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