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A 50 mm diame...

Question

A $50$ mm diameter disc is to be punched out from a carbon steel sheet $1.0$ mm thick. The diameter of the die should be (Take clearance as $3$ % of sheet thickness)

A

49.925

mm

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B

50.00

mm

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C

5.075

mm

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D

none of these

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Solution

The correct option is B $50.00$ mm
Since, it is blanking operation, die size = blank size = $50$ mm

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