Consider the following statements:
Roll forces in rolling can be reduced by
1. Reducing friction.
2. Using large diameter rolls to increase the contact area.
3. Taking smaller reductions per pass to reduce the contact area
Which of the statements given above are correct?
(a) 1 and 2 only (b) 2 and 3 only
(c) 1and 3 only (d) 1, 2 and 3