Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 4 (Q.No. 31)

Workshop Technology

31.

Piercing is an operation of cutting

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

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

a flat sheet to the desired shape

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

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

12 comments Page 2 of 2.

Milindsardar said: 9 years ago

Piercing operation make cylindrical hole and punching operation make hole in the sheet metal.

Ashish Gupta said: 10 years ago

I think we make cylindrical holes in piercing operations.

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