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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Cogging Processes

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Beginner

Intermediate

Advanced

The purpose of cogging operation is:

a: To reduce the cross-section of the billet Explanation

Explanation

b: To increase the length of the billet Explanation

Explanation

c: To improve the grain structure Explanation

Explanation

d: All of the above Explanation

Explanation

Which of the following shaped billet can be produced by the cogging operation:

a: Round shape Explanation

Explanation

b: Rectangular Explanation

Explanation

c: Hexagonal Explanation

Explanation

d: All of these Explanation

Explanation

What is the advantage of cogging operation:

a: Internal grain structure is improved Explanation

Explanation

b: Size of the billet can be reduced Explanation

Explanation

c: Different cross-section shape can be achieved Explanation

Explanation

d: All of the above Explanation

Explanation

The cogging is done at which stage of the metal forming process:

a: Initial stage Explanation

Explanation

b: Intermediate stage Explanation

Explanation

c: At the end Explanation

Explanation

d: None of these Explanation

Explanation

By cogging operation the ingot is converted into:

a: Billet Explanation

Explanation

b: Slab Explanation

Explanation

c: Bloom Explanation

Explanation

d: Sheet Explanation

Explanation

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