Casting, Forming and Welding II Practice Test 8

1. Necking phenomena do not occur in the process of a cup or deep drawing.

2. Cold rolling is a process of permanent deformation of material below its re-crystallization temperature.

3. Stretch forming is a process which involves tensile and bending forces during the operation.

4. Thread rolling process can exceed the length of rolling material during the operation.

5. In thread rolling, all thread forms can be produced in a single pass.

6. Tangential stretch forming and simple stretch forming are quite similar to each other.

7. In heat treatment of materials, the purpose of annealing is totally opposite to that of hardening.

8. In deep or cup drawing, maximum tensile stress is caused near the end of punch.

9. In an inverse rate curve for steel, steel is heated uniformly.

10. What is the amount of silicon used in HPF steel?