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Metal Forming
Metal Forming Process
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Sheet Metal Forming Processes
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1
GATE PI 2012
MCQ (Single Correct Answer)
+1
-0.3
A solid cylinder of diameter $$100$$ $$mm$$ and height $$50$$ $$mm$$ is forged between two frictionless flat dies to a height of $$25$$ $$mm.$$ The percentage change in diameter is
A
$$0$$
B
$$2.07$$
C
$$20.7$$
D
$$41.4$$
2
GATE PI 2010
MCQ (Single Correct Answer)
+1
-0.3
Hot die steel, used for large solid dies in drop forging, should necessarily have
A
high strength and high copper content
B
High hardness and low hardenability
C
High toughness and low thermal conductivity
D
High hardness and high thermal conductivity
3
GATE PI 2010
MCQ (Single Correct Answer)
+1
-0.3
Cold shut (lap) may occur in products obtained by:
A
Casting
B
Forging
C
Machining
D
Welding
4
GATE PI 2009
MCQ (Single Correct Answer)
+1
-0.3
Anisotropy in rolled components is caused by
A
Change in dimensions
B
scale formation
C
closure of defects
D
Grain orientation
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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