59. A 4 mm thick sheet is rolled with 300 mm diameter rolls to reduce thickness
without any change in its width. The friction coefficient at the work-roll interface
is 0.1. The minimum possible thickness of the sheet that can be produced in a
single pass is:
(A) 1.0 mm
(B) 1.5 mm
(C) 2.5 mm
(D) 3.7 mm
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