Which of the following is not a revolving/tumbling mill used for size reduction ?
Correct answer: C. Cage mill
- A. Compartment mill
- B. Pebble mill
- C. Cage mill
- D. Rod mill
Explanation
Compartment, pebble, and rod mills are tumbling mills in which the grinding charge revolves with the shell. A cage mill is an impact-type crusher rather than a revolving or tumbling mill.
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