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
MCQ (Single Correct Answer)
+1
-0.3
In blanking operation, the best way to improve the smoothness and squarness of the edges is to
A
have reduced gap between punch and die
B
increase the ductility of the sheet
C
decrease the speed of blanking
D
provide shear on the punch
3
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following manufacturing process requires the provision of 'gutters'
A
closed die forging
B
centrifugal casting
C
Investment casting
D
impact extrusion
4
GATE PI 1994
True or False
+1
-0
In order to reduce roll pressure in strip rolling, back tension can be applied to strip.
A
TRUE
B
FALSE