In a slab rolling operation, the maximum thickness reduction ( hmax) is given by hmax = . R , where R is the radius of the roll and is the coefficient of friction between the roll and the sheet. If = 0.1, the maximum angle subtended by the deformation zone at the centre of the roll (bite angle in degree) is _____.

In a slab rolling operation, the maximum thickness reduction ( hmax) i

1.	In a slab rolling operation, the maximum thickness reduction ( hmax) is given by hmax = . R , where R is the radius of the roll and is the coefficient of friction between the roll and the sheet. If = 0.1, the maximum angle subtended by the deformation zone at the centre of the roll (bite angle in degree) is _____.
A.	5.7106
B.	32.7106
C.	51.7106
D.	0.7106
Answer» B. 32.7106

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