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.

Rahul said: 5 years ago

Punching- cylindrical hole.

Piercing- hole of any shape.

Ram said: 3 years ago

Piercing operation is holes makes on sheet other than cylindrical holes.

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