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Metal Forming
Metal Forming Process
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Sheet Metal Forming Processes
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1
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
In rolling of a flat strip, the relative velocity of strip with respect to the roller is
A
positive at entry plane, negative at exit plane
B
negative at entry plane, positive at exit plane
C
positive throughout from entry to exit plane
D
negative throughout from entry to exit plane
2
GATE PI 2015
Numerical
+1
-0
The maximum reduction per pass during wire drawing of an aluminium alloy ignoring friction and redundant work is $$77\% $$. The strain hardening exponent of the material is ______________.
Your input ____
3
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
In an open die forging, a circular disc is gradually compressed between two flat plates. The exponential decay of normal stress on the flat face of the disc, from the center of the disc towards its periphery, indicates that
A
there is no sticking friction anywhere on the flat face of the disc.
B
sticking friction and sliding friction and sliding friction co-exist on the flat face of the disc
C
the flat face of the disc is friction-less
D
there is only sticking friction on the flat face of the disc.
4
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
A moving mandrel is used in
A
wire drawing
B
forging
C
tube drawing
D
bending
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Questions Asked from Marks 1
GATE PI 2017 (1) GATE PI 2015 (3) GATE PI 2014 (2) GATE PI 2013 (1) GATE PI 2012 (1) GATE PI 2010 (2) GATE PI 2009 (1) GATE PI 2005 (2) GATE PI 1995 (1) GATE PI 1994 (4) GATE PI 1992 (1) GATE PI 1991 (2) GATE PI 1990 (2) GATE PI 1989 (3)
GATE PI Subjects
Fluid Mechanics
Metrology
Theory of Machines
Engineering Mathematics
Heat Transfer
Machine Tools and Machining
Industrial Engineering
Engineering Mechanics
Strength of Materials
Thermodynamics
Machine Design
Casting
Joining of Materials
Metal Forming