A metal disc of 20 mm diameter is to be punched from a sheet of 2 mm thickness. The punch and the dia clearance is 3%. The required punch diameter is

A metal disc of 20 mm diameter is to be punched from a sheet of 2 mm t

1.	A metal disc of 20 mm diameter is to be punched from a sheet of 2 mm thickness. The punch and the dia clearance is 3%. The required punch diameter is
A.	19.88 mm
B.	19.94 mm
C.	20.06 mm
D.	20.12 mm
Answer» B. 19.94 mm

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A metal disc of 20 mm diameter is to be punched from a sheet of 2 mm thickness. The punch and the dia clearance is 3%. The required punch diameter is

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