The following are true for rolling, except

Select one:

1)Velocity of metal at exit is same as that at the entry

2)The greater the coefficient of friction the greater thereduction

3)Grains are elongated in the direction of rolling

4)The roll force may deform the rolls

5)after crossing the stress zone the grains starts refining

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2The greater the coefficient of friction the greater the reduction The crosssectional area of a piec... View the full answer