Liners of a ball mill are never made of__________________?
Correct answer: A. Lead
- A. Lead
- B. Alloy steel
- C. Rubber or ceramic material
- D. Cast iron
Explanation
Ball-mill liners are commonly made from cast iron, alloy steel, rubber, or ceramic materials selected for abrasion resistance. Lead is too soft for normal impact and wear service, so it is the material not used for such liners.
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