Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of ______________ mill?
Correct answer: A. Impact
- A. Impact
- B. Roll
- C. Vibratory
- D. None of these
Explanation
A cage mill breaks particles mainly by impact as rapidly moving bars strike them. Roll mills primarily use compression and shear between rotating rolls, so they are not the correct classification.
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