Related Questions

Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by
A Adjusting the current
B Adjusting the duration of current
C Changing the electrode size
D Changing the electrode coating
Filler material used in welding should have __________ as compared to the parent metal to be welded.
A Lower melting temperature
B Same melting temperature
C Same composition
D Both B & C
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
A $$\sqrt {\text{t}} $$
B 1.5 t
C 3 t
D 6 t
In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done in all the positions i.e. flat position, vertical position or inclined position.
A Globular transfer
B Spray transfer
C GMAW practice
D Dip transfer
Chromium molybdenum steel can not be welded using __________ welding.
A Thermit
B Electrical resistance
C Oxy-acetylene
D Any of these
Titanium can be easily welded using __________ welding.
A Submerged arc
B TIG
C Shielded metal arc
D Electroslag
In backhand welding, the angle between the welding rod and the work is ________ as compared to forehand welding.
A Same
B Less
C More
D None of these
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
A Same
B Less
C More
D None of these
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?
A Forehand welding
B Flux cored ARC welding
C Electro slag welding
D Pulsed spray welding
In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as
A Fusion
B Reverse polarity
C Forward welding
D Direct polarity

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