Q 59. A 4 mm thick sheet is rolled with 300 mm diameter rolls to reduce thickness without any charge 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
Answer: (C)
Explanation:
