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GATE 2022 ME: Production Engineering Quiz - 3

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Question 1

In sheet metal working, shear is provided on punches and dies so that:

Question 2

Which of the following sheet metal operation induced only compressive stresses in the part?

Question 3

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)?

Question 4

Which of the following is true in case of minimum radius for bending in sheet metal processes?

Question 5

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

Question 6

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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Oct 9ESE & GATE ME