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GATE ME 2021 || Manufacturing Quiz 4
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In sheet metal working, shear is provided on punches and dies so that:
Which of the following sheet metal operation induced only compressive stresses in the part?
A hole of diameter (d) is to be punched through a sheet metal of thickness (t). How much force is required to punch the hole if the ultimate shear stress of the sheet metal is (τ)?
Which of the following is true in case of minimum radius for bending in sheet metal processes?
The shear strength of a sheet metal is 300 MPa. The blanking force required to produce a blank of 100 mm diameter from a 1.5 mm thick sheet is close to
The blanking force required to produce a blank of 100 mm diameter from a 2 mm thick sheet is close to _________? (take shear strength of sheet metal is 300 MPa)
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