Multiple choice

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

  1. 1.0 mm

  2. 1.5 mm

  3. 2.5 mm

  4. 3.7 mm

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation