Discussion :: Workshop Technology
- Piercing is an operation of cutting
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A.
A cylindrical hole in a sheet of metal by the punch and the die |
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B.
A hole (other than cylindrical) in a sheet of metal by the punch and the die |
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C.
A flat sheet to the desired shape |
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D.
A number of holes evenly spaced in a regular pattern on a sheet of metal |
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Answer : Option B
Explanation :
Piercing is an operation of cutting A hole (other than cylindrical) in a sheet of metal by the punch and the die
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