A solid cylinder of diameter $100 \mathrm{~mm}$ and height $50 \mathrm{~mm}$ is forged between two frictionless flat dies to a height of $25 \mathrm{~mm}$. The percentage change in diameter is
(A) 0
(B) 2.07
(C) 20.7
(D) 41.4

Question ID - 157455 | SaraNextGen Top Answer

A solid cylinder of diameter $100 \mathrm{~mm}$ and height $50 \mathrm{~mm}$ is forged between two frictionless flat dies to a height of $25 \mathrm{~mm}$. The percentage change in diameter is
(A) 0
(B) 2.07
(C) 20.7
(D) 41.4