In a size reduction crushing operation, feed size is 300 to 1500 mm while
the product size is 100 to 300 mm. This is a case of the __________ crushing.
(A) Secondary
(B) Fine
(C) Primary
(D) Ultrafine
the product size is 100 to 300 mm. This is a case of the __________ crushing.
(A) Secondary
(B) Fine
(C) Primary
(D) Ultrafine