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A blank of 50 mm diameter is to be sheared from asheet of 2.5 mm thickness. The required radialclearance between the die and the punch is 6% ofsheet thickness. The punch and die diameters (in mm)for this blanking operation, respectively, are(a) 50.00 and 50.30 (b) 50.00 and 50.15(c) 49.70 and 50.00 (d) 49.85 and 50.00
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