Mechanical Operations
In closed circuit grinding as compared to open circuit grinding, the

Operation is economical
Production rate at a given limiting size is lower
Specific surface of product is more
Product has lesser size uniformity

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Mechanical Operations
In case of grinding in a ball mill

Its capacity decreases with increasing fineness of the products
Grinding cost and power requirement increases with increasing fineness of the products
All of these
Wet grinding achieves a finer product size than dry grinding

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