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## Marks 1

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Match the following metal forming processes with their associated stresses in the Work-piece ...
GATE ME 2012
In blanking operation the clearance is provided on
GATE ME 2002
The cutting force in punching and blanking operations mainly depends on
GATE ME 2001
In deep drawing of sheets, the values of limiting draw ratio depends on
GATE ME 1994
Wrinkling is a common defect found in
GATE ME 1991
For blanking and piercing operations, clearance is provided on the ................... and the ...........................
GATE ME 1987

## Marks 2

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A $$10$$ $$mm$$ deep cylindrical cup with diameter of $$15$$ $$mm$$ is drawn from a circular blank. Neglecting the varia...
GATE ME 2017 Set 1
In a sheet metal of $$2$$ $$mm$$ thickness a hole of $$10$$ $$mm$$ diameter needs to be punched. The yield strength in t...
GATE ME 2016 Set 3
A rectangular hole of size $$100\,\,mm \times 50\,\,mm$$ is to be made on a $$5$$ $$mm$$ thick sheet of steel having ult...
GATE ME 2014 Set 2
Calculate the punch size in $$mm,$$ for a circular blanking operation for which details are given below. Size of the bla...
GATE ME 2012
The shear strength of a sheet metal is $$300MPa.$$ The blanking force required to produce a blank of $$100$$ $$mm$$ diam...
GATE ME 2011
In a shear cutting operation, a sheet of $$5mm$$ thickness is cut along a length of $$200mm.$$ The cutting blade is $$40... GATE ME 2010 In a shear cutting operation, a sheet of$$5mm$$thickness is cut along a length of$$200mm.$$The cutting blade is$$40...
GATE ME 2010
In the deep drawing of cups, blanks show a tendency to wrinkle up around the periphery (flange). The most likely cause ...
GATE ME 2008
The force requirement in a blanking operation of low carbon steel sheet is $$5.0$$ $$kN.$$ The thickness of the sheet is...
GATE ME 2007
Match the items in column $${\rm I}$$ and $${\rm I}$$ $${\rm I}$$ ...
GATE ME 2006
A $$2$$ $$mm$$ thick metal sheet is to be bent at an angle of one radian with a bend radius of $$100$$ $$mm.$$ If the st...
GATE ME 2005
$$10$$ $$mm$$ diameter holes are to be punched in a steel sheet of $$3$$ $$mm$$ thickness. Shear strength of the materia...
GATE ME 2004
A metal disc of $$20$$ $$mm$$ diameter is to be punched from a sheet of $$2$$ $$mm$$ thickness. The punch and the die cl...
GATE ME 2003
A shell of $$100$$ $$mm$$ diameter and $$100$$ $$mm$$ height with the corner radius of $$0.4$$ $$mm$$ is to be produced ...
GATE ME 2003
Identify the stress strain in the flange portion of a partially drawn cylindrical cup when deep drawing without a blank...
GATE ME 1999
A $$50$$ $$mm$$ diameter disc is to be punched out from a carbon steel sheet $$1.0$$ $$mm$$ thick. The diameter of the p...
GATE ME 1996
The thickness of the blank needed to produce, by power spinning a missile cone of thickness $$1.5mm$$ and half cone angl...
GATE ME 1992

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