A solid cylinder of diameter 100 mm and height 50 mm is forged between two friction-less flat dies to a height of 25 mm. The percentage change in diameter is
A. 0
B. 2.07
C. 20.7
D. 41.4
Answer:D
A solid cylinder of diameter 100 mm and height 50 mm is forged between two friction-less flat dies to a height of 25 mm. The percentage change in diameter is
A. 0 B. 2.07 C. 20.7 D. 41.4