Find the angle of contact for an arc on a roll having the maximum redu – McqOptions

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1.	Find the angle of contact for an arc on a roll having the maximum reduction equal to 2 mm and roll diameter 800 mm?
A.	2.86 degrees
B.	4.28 degrees
C.	82.2 degrees
D.	54 degrees
Answer» B. 4.28 degrees

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