Production Engineering - Engineering

Q1:

Trepanning is an operation of

A making a cone-shaped enlargement of the end of a hole

B smoothing and squaring the surface around a hole

C sizing and finishing a small diameter hole

D producing a hole by removing metal along the circumference of a hollow cutting tool

ANS:D - producing a hole by removing metal along the circumference of a hollow cutting tool

Explanation: No answer description is available.