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Question 4 Sheet metal forming is the process of shaping thin sheets of plastic by subjecting the plastic to forces to producQuestion 5 A sheet is held between a wipe-die and pressure pad and a punch presses against the edge of the sheet This is theQuestion 6 B Not yet answered D Marked out of 1.00 P Flag question с f- ........... is when bending is done, the residual str

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4. Sheet metal forming is shaping metals of any shape into a thin metal sheet. Everything in the statement is true except "plastic'. This operation is not for plastics bt those materials which can be plastically deformed. So the statement is FALSE.

5. Wipe die, pressure pad and punch press are used in wiping process. so option C is correct here.

6. In bending process the bent material tries to return back to its original state due to the residual stresses. This phenomena is called springback. So Springback will be the correct answer here.

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