A hole of diameter 35 mm is to be punched in a sheet metal of thicknes – McqOptions

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1.	A hole of diameter 35 mm is to be punched in a sheet metal of thickness t and ultimate shear strength 400 MPa, using punching force of 44 kN. The maximum value of t is
A.	0.5 mm
B.	10 mm
C.	1 mm
D.	2 mm
Answer» D. 2 mm

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