A solid cylinder of diameter 100 mm and height 50 mm is forged between two frict

Question

A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm. The percentage change in diameter is

Options:

A . 0

B . 2.07

C . 20.7

D . 41.4

Answer: Option D

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