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
Discussion:
31 comments Page 4 of 4.
Rams said:
10 years ago
Option B is wrong. Correct answer is option C (Piercing is for making hole other than cylindrical hole).
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