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Metal Forming
Metal Forming Process
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Sheet Metal Forming Processes
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1
GATE PI 2002
MCQ (Single Correct Answer)
+1
-0.3
A cup of $$10$$ $$cm$$ height and $$5$$ $$cm$$ diameter is to be made from a sheet metal of $$2mm$$ thickness. The number of deductions necessary will be
A
one
B
two
C
three
D
four
2
GATE PI 2001
MCQ (Single Correct Answer)
+1
-0.3
For $$50\% $$ penetration of work material, a punch with single shear equal to thickness will
A
reduce the punch load one third the value
B
increase the punch load by half the value
C
maintain the same punch load
D
reduce the punch load to quarter load
3
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 $$E$$
4
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
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Questions Asked from Marks 1
GATE PI 2016 (1) GATE PI 2013 (1) GATE PI 2012 (1) GATE PI 2003 (2) GATE PI 2002 (1) GATE PI 2001 (1) GATE PI 1994 (4) GATE PI 1992 (1) GATE PI 1991 (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