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 1 of 2.

Ashish Gupta said: 10 years ago

I think we make cylindrical holes in piercing operations.

Milindsardar said: 9 years ago

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

Mohit Bora said: 9 years ago

We can make a hole of any shape by piercing.

Jnk said: 9 years ago

Based on my knowledge piercing operation is used to make a cylindrical hole and punching operation used for to make a hole in the sheet.

Pankaj said: 8 years ago

You are right @Jnk.

Himansu said: 8 years ago

Yeh ; piercing operations is used to make cylindrical hole.

Asit said: 8 years ago

Piercing operation is punching a hole out of sheet but.

The option B with (other than cylindrical) makes confusing should be removed.

Ankur said: 7 years ago

Piercing is used to make cylindrical holes.

Sohan said: 7 years ago

Punching- holes are cylindrical.

Piercing- holes can be of any shape.

PBPATEL said: 6 years ago

Piercing operation is used for cylindrical hole and punching is used for the hole (other than the cylindrical hole).

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