As the product becomes finer, the energy required for grinding___________________?
Correct answer: C. Increases
- A. Decreases
- B. Is same as for coarser grinding
- C. Increases
- D. Is 1.5 times that for coarser grinding
Explanation
Finer grinding creates more new surface area, requiring additional energy according to size-reduction relationships such as Rittinger's law. Therefore the energy requirement rises as the desired product becomes finer.
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