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Joining of Materials
Welding
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1
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
Match List - I (welding defects) with List - II (causes) and select the correct answer using the codes given below the lists GATE PI 2003 Joining of Materials - Welding Question 30 English
A
$$A - 4,\,\,B - 2,\,\,C - 3,\,\,D - 1$$
B
$$A - 4,\,\,B - 2,\,\,C - 1,\,\,D - 3$$
C
$$A - 2,\,\,B - 4,\,\,C - 1,\,\,D - 3$$
D
$$A - 2,\,\,B - 4,\,\,C - 3,\,\,D - 1$$
2
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
GATE PI 2003 Joining of Materials - Welding Question 31 English
A
$$P - 4,\,\,Q - 1,\,\,R - 3,\,\,S - 2$$
B
$$P - 3,\,\,Q - 2,\,\,R - 4,\,\,S - 3$$
C
$$P - 1,\,\,Q - 2,\,\,R - 4,\,\,S - 3$$
D
$$P - 2,\,\,Q - 4,\,\,R - 1,\,\,S - 3$$
3
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
A $$900$$ $$mm$$ long steel plate is welded by manual metal arc welding process using welding current of $$150$$ $$A,$$ arc voltage of $$20$$ $$V$$ and welding speed of $$300$$ $$mm/min.$$ If the process efficiency of is $$0.8$$ and surface resistance is $$36$$ micro-ohm, the heat input will be
A
$$600$$ $$J/mm$$
B
$$480$$ $$J/min$$
C
$$146$$ $$kJ$$
D
$$116$$ $$kJ$$
4
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
The cold cracking susceptibility of the heat affected zone in an arc weld is influenced by
$$P.$$ Entraped hydrogen,
$$Q.$$ Residual stresses
$$R.$$ Marternsitic transformation
$$S.$$ Slag inclusion
A
$$P,S$$
B
$$P,Q,S$$
C
$$P, Q, R$$
D
$$R,S$$
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Questions Asked from Marks 2
GATE PI 2016 (2) GATE PI 2015 (1) GATE PI 2014 (1) GATE PI 2012 (1) GATE PI 2010 (1) GATE PI 2009 (1) GATE PI 2008 (4) GATE PI 2007 (1) GATE PI 2005 (5) GATE PI 2003 (5) GATE PI 2002 (1) GATE PI 1993 (1) GATE PI 1992 (1) GATE PI 1991 (1) GATE PI 1989 (2)
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