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Joining of Materials
Welding
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1
GATE PI 2011
MCQ (Single Correct Answer)
+1
-0.3
Which of the following welding process results in the smallest heat affected zone
A
Shielded metal arc welding
B
Gas welding
C
Laser beam welding
D
Thermit welding
2
GATE PI 2011
MCQ (Single Correct Answer)
+1
-0.3
In resistance seam welding, the electrode is in the form of a
A
cylinder
B
flat plate
C
coil of wire
D
circular disc
3
GATE PI 2004
MCQ (Single Correct Answer)
+1
-0.3
The current in Amperes used in resistance spot welding of plain carbon steel sheets ($$1$$ to $$3$$ $$mm$$ thick) lies within the range:
A
$$10$$-$$50$$
B
$$50$$-$$500$$
C
$$500$$-$$5000$$
D
$$5000$$-$$50000$$
4
GATE PI 2004
MCQ (Single Correct Answer)
+1
-0.3
The metal powder used in Thermit welding of steel is:
A
$$Al$$
B
$$Cu$$
C
$$Pb$$
D
$$W$$
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Questions Asked from Marks 1
GATE PI 2017 (1) GATE PI 2014 (1) GATE PI 2011 (2) GATE PI 2004 (2) GATE PI 2003 (2) GATE PI 2001 (1) GATE PI 1995 (1) GATE PI 1994 (1) GATE PI 1992 (3) GATE PI 1991 (4) GATE PI 1990 (4) GATE PI 1989 (1)
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