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

A. Drawing down

B. Upsetting

C. Spinning

D. Peening

Answer: Option B

Solution(By Examveda Team)

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.