In a size reduction crushing operation, the feed size is 10 to 50 mm, – McqOptions

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1.	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?
A.	Primary
B.	Secondary
C.	Fine
D.	Ultrafine
Answer» D. Ultrafine

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