A strip with cross-sectional area 150 mm 4.5 mm is being rolled with 20% reduction of area using 450 mm diameter rollers. The angle subtended by the deformation zone at the roll centre is (in radians)

A strip with cross-sectional area 150 mm 4.5 mm is being rolled with

1.	A strip with cross-sectional area 150 mm 4.5 mm is being rolled with 20% reduction of area using 450 mm diameter rollers. The angle subtended by the deformation zone at the roll centre is (in radians)
A.	0.01
B.	0.02
C.	0.03
D.	0.06
Answer» E.

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A strip with cross-sectional area 150 mm 4.5 mm is being rolled with 20% reduction of area using 450 mm diameter rollers. The angle subtended by the deformation zone at the roll centre is (in radians)

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