1.

A circular hole of 4 mm in diameter and 12 mm deep in a metal block is rebored to increase the diameter to 4.12 mm, then the amount of metal removed is approximately

Answer»

`2.88picu.cms`
`3.99picu.cms`
`3.79picu.cms`
`3.725picu.cms`

ANSWER :A


Discussion

No Comment Found