Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 3 (Q.No. 21)
21.
The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
shearing
piercing
punching
blanking
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
31 comments Page 3 of 4.

Ritesh Mahajan said:   9 years ago
Punching is the right answer.

SILAPARASETTI RAVITEJA said:   9 years ago
Yes, guys absolutely correct the answer is punching

Younas said:   9 years ago
Punching is the correct answer.

Ashish patel said:   9 years ago
The right answer is a punching reference R. S. Khurmi.

DHIRENDRA KUMAR said:   9 years ago
Punching is correct please refer to RS Khurmi objective book page no. -671 question no. -123 workshop technology.

Ravi gawale said:   9 years ago
In the piercing operation the small holes are cut where in the punching the optimum standard holes are cut.

Example of piercing is creating holes on the electronic circuit to place the electronic small component.

Raghu from hassan said:   9 years ago
Punching is the correct answer.

Pinku ram said:   9 years ago
Good and nice explanation.

Jaydeep dobariya said:   9 years ago
Piercing is operation for cutting hole other than circular shape. And punching is cutting hole of circular shape in sheet metal.

DSM said:   10 years ago
Piercing and punching is the same thing.

In piercing cylindrical holes are treated as scrap.


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