Q169
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
AnswerC.
A flat sheet to the desired shape
D.
A number of holes evenly spaced in a regular pattern on a sheet of metal
Answer: Option B
Solution
Answer: Option B
Solution:
Piercing is an operation of cutting A hole (other than cylindrical) in a sheet of metal by the punch and the die