Related Questions

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
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 $$2\,{\text{s}}l{\sigma _{\text{t}}}$$
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 $$\frac{{2{\text{P}}}}{{{\text{s}}l}}$$
Shear strength of the welded joint for double parallel fillet is (where $$\tau $$ = Allowable shear stress for weld metal)
A $$0.5\,{\text{s}}l\tau $$
B $${\text{s}}l\tau $$
C $$\sqrt 2 \,{\text{s}}l\tau $$
D $$2\,{\text{s}}l\tau $$
For unequal width of butt straps, the thicknesses of butt straps are
A 0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside
B 0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside
C 0.75 t for both the straps on the inside and outside
D 0.625 t for both the straps on the inside and outside
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
A welded joint as compared to a riveted joint has __________ strength.
A Same
B Less
C More
D None of these
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
A Having waited a day, it is too late to take an antibiotic
B You need an antiseptic, not an antibiotic
C You need to be vaccinated instead of taking an antibiotic
D You are infected by a virus
If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is
A Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{1}{2}}}$$
B Q = 1.71 BD
C Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{3}{2}}}$$
D Q = 1.71 $${\text{B}}{{\text{D}}^{\frac{2}{3}}}$$
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
A $$\frac{1}{{16}}$$ to $$\frac{1}{8}$$
B $$\frac{1}{8}$$ to $$\frac{1}{4}$$
C $$\frac{1}{4}$$ to $$\frac{1}{3}$$
D $$\frac{1}{3}$$ to $$\frac{1}{2}$$

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