Determine the load required to punch a 20 mm diameter hole in 2 mm thick sheet. The properties of the material of the sheet are: Tensile strength 580 MPa Yield strength in tension 410 MPa Shear strength 350 MPa Yield strength in shear 250 MPa The load in kN is

Determine the load required to punch a 20 mm diameter hole in 2 mm thi

1.	Determine the load required to punch a 20 mm diameter hole in 2 mm thick sheet. The properties of the material of the sheet are: Tensile strength 580 MPa Yield strength in tension 410 MPa Shear strength 350 MPa Yield strength in shear 250 MPa The load in kN is
A.	31.40
B.	43.98
C.	64.40
D.	91.10
Answer» C. 64.40

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Determine the load required to punch a 20 mm diameter hole in 2 mm thick sheet. The properties of the material of the sheet are: Tensile strength 580 MPa Yield strength in tension 410 MPa Shear strength 350 MPa Yield strength in shear 250 MPa The load in kN is

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