Force required to punch a 15 mm hole in a mild steel pipe 5 mm thick, – McqOptions

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1.	Force required to punch a 15 mm hole in a mild steel pipe 5 mm thick, when ultimate shear stress of the plate is 500 N/mm2, will be nearly
A.	78 kN
B.	98 kN
C.	118 kN
D.	158 kN
E.	None of the above
Answer» D.

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