question_answer

            Consider the following operations involved in forging a hexagonal bolt from a round bar stock, whose diameter is equal to the bolt diameter:

1. Flattening

2. Upsetting

3. Swaging

4. Cambering

The correct sequence of these operations is:

A) 1, 2, 3, 4                      

B) 2, 3, 4, 1

C) 2, 4, 3, 1                      

D) 3, 2, 1, 4