Top 350+ Solved Design of Steel Structures MCQ Questions Answer
Q. Bearing stiffener in a plate girder is used to
a. Transfer the load from the top flange to the bottomone
b. Prevent buckling of web
c. Decrease the effective depth of web
d. Prevent excessive deflection
Q. The central deflection of a simply supported steel beam of length L with aconcentrated load W at the centre, is
a. WL3/3EI
b. WL4/3EI
c. WL3/48EI
d. 5WL4/384EI
Q. If d is the distance between the flange angles,
a. Vertical stiffeners are provided in steel plate girders if the web is less thand/85
b. Vertical stiffeners are provided in high tensile steel plate girders if the web is lessthan d/175
c. Horizontal stiffeners are provided in steel plate girders if the web is less thand/200
d. All the above
Q. In case horizontal stiffeners are not used, the distance between vertical legs offlange angles at the top and bottom of a plate girder, is known as
a. Overall depth
b. Clear depth
c. Effective depth
d. None of these
Q. Pick up the correct statement from the following:
a. The steel beams placed in plain cement concrete, are known as reinforcedbeams
b. The filler joists are generally continuous over three-supports only
c. Continuous fillers are connected to main beams by means of cleat angles
d. Continuous fillers are supported by main steelbeams
Q. The diameter of base of conical flare of a steel stack is ( d is the diameter of the cylindrical part)
a. Less than d
b. Equal to d
c. More than d
d. Any of the above
Q. Working shear stress on the gross area of a rivet as recommended by IndianStandards, is
a. 785 kg/cm2
b. 1025 kg/cm2
c. 2360 kg/cm2
d. None of these
Q. The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by
a. Pc = ²EI/l²
b. Pc = /l²
c. Pc = /I²
d. None of these
Q. Length of an outstanding leg of a vertical stiffener, may be taken equal to
a. 1/10th of clear depth of the girder plus 15mm
b. 1/20th of clear depth of the girder plus 20mm
c. 1/25th of clear depth of the girder plus 25mm
d. 1/30th of clear depth of the girder plus 50mm
Q. The economical depth d of a web plate in which allowable bearing stress is fb,and the maximum bending moment is M, as suggested by Rawater and Clark, is
a. d = (M/fb)
b. d = 1.5 (M/fb)
c. d = 2.5 (M/fb)
d. d = 4.5 (M/fb)
Q. Minimum pitch of the rivets shall not be less than (Where d is gross diameter of rivet)
a. 1.5 d
b. 2.0 d
c. 2.5 d
d. 3.0 d
Q. For steel members exposed to weather and not accessible for repainting, thethickness of steel should not be less than
a. 4.5 mm
b. 6 mm
c. 8 mm
d. 10 mm
Q. The slenderness ratio of a column supported throughout its length by a masonrywall is
a. Zero
b. 10
c. 100
d. Infinity
Q. Outstanding length of a compression member consisting of a channel, is measuredas
a. Half of the nominal width
b. Nominal width of the section
c. From the edge to the first row ofrivets
d. None of these