What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls ?

What is the usual value of angle of nip for crushing of ordinary rock

1.	What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls ?
A.	16¬∞
B.	32¬∞
C.	40¬∞
D.	46¬∞
Answer» C. 40¬∞

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What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls ?

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