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Mechanical Engineering · Q135

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Engineering and GATE · Mechanical Engineering · question 135

Q135

The process of increasing the cross-section of a bar at the expense of its length, is called

A.
Drawing down
B.
Upsetting
Answer
C.
Spinning
D.
Peening

Answer: Option B

Solution

Answer: Option B
Solution:
The process of increasing the cross-section of a bar at the expense of its length is known as upsetting.
Upsetting involves squeezing the billet between two flat- surfaces, thus reducing its height due to the increase in the cross-sectional area.