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Q: Principle of Size Reduction in Ball Mill is
  • A. Compression
  • B. Impact
  • C. Attrition
  • D. Combination of Impact and Attrition
Correct Answer: Option D - Principle of size reduction in Ball mill is combination of impact and Attrition. A ball mill is a type of grinder used to grind or blend materials for use in mineral dressing it works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell.
D. Principle of size reduction in Ball mill is combination of impact and Attrition. A ball mill is a type of grinder used to grind or blend materials for use in mineral dressing it works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell.

Explanations:

Principle of size reduction in Ball mill is combination of impact and Attrition. A ball mill is a type of grinder used to grind or blend materials for use in mineral dressing it works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell.