Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of
A. Bronze
B. Stainless steel
C. Flint or porcelain
D. Concrete
Answer: Option C
This Question Belongs to Chemical Engineering >> Mechanical Operations
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