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Which of the following operations involves reduction in length?

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in Casting-Forming-Welding II by (119k points)
Which of the following operations involves reduction in length?

(a) Upsetting

(b) Drawing down

(c) Setting down

(d) Punching

I have been asked this question in homework.

I would like to ask this question from Smith Forging Operations topic in section Smithing and Forging of Casting-Forming-Welding II

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Best answer
The correct choice is (a) Upsetting

Best explanation: There are a few operations, which are needed for a change of shape of the raw material to its finished form. This can be achieved using smith forging operation. Upsetting is one such operation that involves reduction in length for an increase the thickness.

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