To get ultrafine particles, the equipment used is a _________________?
Correct answer: D. Fluid energy mill
- A. Ball mill
- B. Rod mill
- C. Hammer crusher
- D. Fluid energy mill
Explanation
A fluid energy mill uses high-velocity jets of gas to cause particle-to-particle impact and attrition, producing ultrafine particles. Ball and rod mills generally produce coarser products.
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