1
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
In a bending operation, If the modulus of elasticity $$E$$ is increased keeping all other parameters unchanged, the spring back will
A
increase
B
decrease
C
remains unchanged
D
be independent of $$E$$
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
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
4
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 $$0.1mm.$$
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