Design of Steel Structures (2180610) MCQs

MCQs of Design of plate girders

Showing 31 to 30 out of 40 Questions
31.
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds
(a) 50 x thickness of web
(b) 85 x thickness of web
(c) 200 x thickness of web
(d) 250 x thickness of web
Answer:

Option (b)

32.
Bearing stiffeners are provided at (i) The supports (ii) The mid span (iii) The point of application of concentrated loads The correct answer is
(a) Only (i)
(b) Both (i) and (ii)
(c) Both (i) and (iii)
(d) (i), (ii) and (iii)
Answer:

Option (c)

33.
Web crippling generally occurs at the point where
(a) Bending moment is maximum
(b) Shearing force is minimum
(c) Concentrated loads act
(d) Deflection is maximum
Answer:

Option (c)

34.
Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
(a) 5 mm
(b) 6 mm
(c) 8 mm
(d) 10 mm
Answer:

Option (b)

35.
For simply supported beams, the maximum permitted deflection, is
(a) 1/325 of the span
(b) 1/350 of the span
(c) 1/375 of the span
(d) 1/400 of the span
Answer:

Option (a)

36.
The distance between the outer faces of flanges of a plate girder, is known as
(a) Overall depth
(b) Clear depth
(c) Effective depth
(d) None of these
Answer:

Option (a)

37.
When the depth of a plate girder is at least 'n' times the depth of vertical leg of the flange angles, the girder is known as deep plate girder, if 'n' is
(a) 2
(b) 4
(c) 6
(d) 8
Answer:

Option (d)

38.
Pick up the correct statement from the following:
(a) Vertical stiffeners may be placed in pairs one on each side of the web.
(b) Single vertical stiffeners may be placed alternately on opposite sides of the web.
(c) Horizontal stiffeners may be placed alternately on opposite sides of the web.
(d) All the above.
Answer:

Option (d)

39.
The greatest permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to
(a) 180 t
(b) 220 t
(c) 230 t
(d) 270 t
Answer:

Option (d)

40.
What will happen when d/tw is sufficiently low?
(a) Web will yield under buckling before shear.
(b) Web will yield under shear before buckling.
(c) Web will not yield under shear.
(d) Web will not yield under both shear and buckling.
Answer:

Option (b)

Showing 31 to 30 out of 40 Questions