Crushing of mineral particles is accomplished in a 'cage mill', when one
or more alloy steel bars are revolved in opposite directions. It is a type of
__________ mill.
(A) Impact
(B) Roll
(C) Vibratory
(D) None of these
or more alloy steel bars are revolved in opposite directions. It is a type of
__________ mill.
(A) Impact
(B) Roll
(C) Vibratory
(D) None of these