Mechanical Operations
In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing.

Ultrafine
Primary
Fine
Secondary

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Mechanical Operations
In case of grinding in a ball mill

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

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