Workshop Technology - Engineering

Q1:

Piercing is an operation of cutting

A a cylindrical hole in a sheet of metal by the punch and the die

B a hole (other than cylindrical) in a sheet of metal by the punch and the die

C a flat sheet to the desired shape

D a number of holes evenly spaced in a regular pattern on a sheet of metal

ANS:B - a hole (other than cylindrical) in a sheet of metal by the punch and the die

Explanation: No answer description is available.