1
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
The function of draw bead in the deep drawing operation is to
A
produce a balance between the amount of stretching and drawing
B
produce a circular groove on the flange
C
reduce the drawing load
D
reduce the wrinkles on the flange
2
GATE PI 1994
Numerical
+1
-0
In producing a punched hole of $$20mm$$ diameter, the dimension of the punch is ........ given the radial die clearance of $$0.1mm.$$
Your input ____
3
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
Wall thickness of drawn cup is controlled by
A
Deep drawing
B
Reverse drawing
C
Redrawing
D
Ironing
4
GATE PI 1991
Fill in the Blanks
+1
-0
In .................. A ................. operation the diameter of the desired hole will be smaller than the diameter of the .................... B ......................

A. blanking / piercing
B. punch / die

EXAM MAP