Related Questions

What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?
A Incomplete fusion
B Lamellar tearing
C Mismatch
D Shrinkage void
What is the type of welding defect caused due to poor deposition of weld rod is called?
A Porosity
B Undercut
C Under fill
D Crack
What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?
A Porosity
B Undercut
C Under fill
D Crack
What is the welding defect caused due to improper control and poor removal of slog between passes called?
A Mismatch
B Under fill
C Crack
D Porosity
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
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
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
Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
A With greater number of blades
B Of increased diameter
C Both A & B
D Neither A nor B
In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called?
A Electric arc welding
B Submerged arc welding
C MIG welding
D TIG welding

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