Joining of Materials
1
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
2
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
$$5000$$-$$50000$$
3
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
$$W$$
4
GATE PI 2003
MCQ (Single Correct Answer)
+1
-0.3
High speed electron beam welding is focused on the weld spot using
A
vacuum lens
B
inert gas lens
C
optical lens
D
magnetic lens
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