Pebble mills are tumbling mills widely used for grinding in the manufa – McqOptions

MCQOPTIONS

1.	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» D. Concrete

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