A _____________ mixer resembles a ball mill without balls?
Correct answer: C. Tumbling
- A. Banbury
- B. Pug mill
- C. Tumbling
- D. Pan
Explanation
A tumbling mixer is a rotating vessel that mixes solids by repeated lifting and cascading, much like a ball mill operating without grinding balls. Banbury and pug mills use internal kneading or paddles rather than simple tumbling.
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