Temperature of the product during ultrafine grinding_____________________?
Correct answer: B. Increases
- A. Decreases
- B. Increases
- C. Remain constant
- D. May increase or decrease; depends on the material being ground
Explanation
Most of the mechanical energy supplied during ultrafine grinding is ultimately converted into heat, so the product temperature generally increases. The large surface area and intense friction at fine sizes make cooling especially important.
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