A 480 mm thick slab is hot-rolled using a roll of 720 mm diameter. For a coeffi

Question

A 480 mm thick slab is hot-rolled using a roll of 720 mm diameter. For a coefficient of friction of
0.5, the maximum possible reduction (in mm) is

Options:

A . 90

B . 180

C . 240

D . 360

Answer: Option A

-NA-

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