Size reduction of the ______________ can be suitably done by ball mills, crushing rolls and rod mills?
Correct answer: A. Metalliferous ores
- A. Metalliferous ores
- B. Non-metallic ores
- C. Basic slags
- D. Asbestos & mica
Explanation
Metalliferous ores are commonly reduced using crushing rolls, rod mills, and ball mills because these machines can handle hard, abrasive feed. Asbestos and mica are more suitably treated by cutting or specialized disintegrators.
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