Top 350+ Solved Design of Steel Structures MCQ Questions Answer
Q. In a tension member if one or more than one rivet holes are off the line, the failure of the memberdepends upon:
a. pitch
b. gauge
c. diameter of the rivet holes
d. all the above
Q. The effective length of a compression member of length L, held in position and restrained indirection at both ends, is
a. l
b. 0.67 l
c. 0.85 l
d. 1.5 l
Q. Efficiency of a riveted joint is defined as the ratio of
a. least strength of a riveted joint to the strength of solid plate
b. greatest strength of a riveted joint to the strength of solid plate
c. least strength of a riveted plate to the greatest strength of the riveted joint
d. all the above
Q. By providing sufficient edge distance, which of the following failures of riveted joint can beavoided?
a. tension failure of the plate
b. shear failure of the rivet
c. shear failure of the plate
d. crushing failure of the rivet
Q. The maximum tensile and compressive bending stress in extreme fibres of rolled I-sections andchannels on the effective section, is
a. 1500 kg/cm2
b. 1420 kg/cm2
c. 1650 kg/cm2
d. 2285 kg/cm2
Q. When the ratio of the moment M to axial load P is greater than L/6, the resultant of thecompressive bearing pressure which acts at a distance Y from one side, is given by
a. y = (l/3) - (m/p)
b. y = (l/2) - (p/m)
c. y = (l/2) + (m/p)
d. y = (l/3) + (m/p)
Q. A circular column section is generally not used in actual practice because
a. it is uneconomical
b. it cannot carry the load safely
c. it is difficult to connect beams to the round sections
d. all of the above
Q. Rise of a Jack arch is kept about
a. 1/2 to 1/3 of the span
b. 1/3 to 1/4 of the span
c. 1/4 to 1/8 of the span
d. 1/8 to 1/12 of the span
Q. For a steel member of slenderness ratio 350, the allowable stress is 76 kg/cm2 if it is
a. htw grade of thickness exceeding 32 mm
b. ht grade of thickness exceeding 45 mm
c. ht grade of thickness not exceeding 45 mm
d. all the above
Q. The main type of butt joints, is a double cover
a. shear riveted joint
b. chain riveted joint
c. zig-zag riveted joint
d. all the above
Q. Bearing stiffener in a plate girder is used to
a. transfer the load from the top flange to the bottom one
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 a concentrated load W atthe 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 than d/85
b. vertical stiffeners are provided in high tensile steel plate girders if the web is less than d/175
c. horizontal stiffeners are provided in steel plate girders if the web is less than d/200
d. all the above
Q. Area of openings for buildings of large permeability is more than
a. 10% of wall area
b. 20% of wall area
c. 30% of wall area
d. 50% of wall area