GATE ME 2004 | Sheet Metal Forming Processes Question 17 | Production Engineering

GATE ME 2004

MCQ (Single Correct Answer)

-0.6

$$10$$ $$mm$$ diameter holes are to be punched in a steel sheet of $$3$$ $$mm$$ thickness. Shear strength of the material is $$400\,\,N/m{m^2}$$ and penetration is $$40\% $$. Shear provided on the punch is $$2$$ $$mm.$$ The blanking force during the operation will be

$$22.6$$ $$kN$$

$$37.7$$ $$kN$$

$$61.6$$ $$kN$$

$$94.3$$ $$kN$$

GATE ME 2003

MCQ (Single Correct Answer)

-0.6

A shell of $$100$$ $$mm$$ diameter and $$100$$ $$mm$$ height with the corner radius of $$0.4$$ $$mm$$ is to be produced by cup drawing. The required blank diameter is

$$118$$ $$mm$$

$$161$$ $$mm$$

$$224$$ $$mm$$

$$312$$ $$mm$$

GATE ME 2003

MCQ (Single Correct Answer)

-0.6

A metal disc of $$20$$ $$mm$$ diameter is to be punched from a sheet of $$2$$ $$mm$$ thickness. The punch and the die clearance is $$3\% $$. The required punch diameter is

$$19.88$$ $$mm$$

$$19.94$$ $$mm$$

$$20.06$$ $$mm$$

$$20.12$$ $$mm$$

GATE ME 1999

MCQ (Single Correct Answer)

-0.6

Identify the stress strain in the flange portion of a partially drawn cylindrical cup when deep drawing without a blank holder

Tensile in all three directions

No stress in the flange at all, because there is no blank - holder

Tensile stress in one direction and compressive in the other direction

Tensile in two directions and compressive in third direction