Related Questions

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
The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, $$l$$ = Length of weld and $${\sigma _{\text{t}}}$$ = Allowable tensile stress for weld metal)
A $$0.5\,{\text{s}}l{\sigma _{\text{t}}}$$
B $${\text{s}}l{\sigma _{\text{t}}}$$
C $$\sqrt 2 \,{\text{s}}l{\sigma _{\text{t}}}$$
D $$2\,{\text{s}}l{\sigma _{\text{t}}}$$
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 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
A double fillet welded joint with parallel fillet weld of length '$$l$$' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by
A $$\frac{{\sqrt 2 {\text{P}}}}{{{\text{s}}l}}$$
B $$\frac{{\text{P}}}{{2{\text{s}}l}}$$
C $$\frac{{\text{P}}}{{\sqrt 2 {\text{s}}l}}$$
D $$\frac{{2{\text{P}}}}{{{\text{s}}l}}$$
In a butt welded joint, the size of weld is __________ the throat of weld.
A 0.5 times
B Equal to
C 2 times
D Double
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.
A 0.5 times
B Equal to
C 2 times
D Double
What is the type of welding defect is caused due to stresses on heating and cooling called?
A Incomplete penetration
B Shrinkage void
C Slag Entrapment (Inclusions)
D Incomplete fusion
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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