Top 350+ Solved Design of Steel Structures MCQ Questions Answer
Q. Column footing is provided
a. To spread the column load over a larger area
b. To ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
c. To distribute the column load over soil through the column footing
d. All the above
Q. Rolled steel beams are designated by Indian Standard series and its
a. Weight per metre and depth of itssection
b. Depth of section and weight per metre
c. Width of flange and weight per metre
d. Weight per metre and flange width
Q. For a compression member with double angle section, which of the followingsection will give larger value of minimum radius of gyration?
a. Equal angles back to back
b. Unequal legged angles with long legs back to back
c. Unequal legged angles with short legs back to back
d. Both (B) and (C)
Q. Pick up the correct statement from the following:
a. The minimum pitch should not be less than 2.5 times the gross diameter of the river
b. The minimum pitch should not be less than 12 times the gross diameter of therivet
c. The maximum pitch should not exceed 10 times the thickness or 150 mm whichever is less in compression
d. All the above
Q. Pitch of tacking rivets, when double angles connected back to back and acting astension members should not be more than
a. 500 mm
b. 600 mm
c. 1000 mm
d. 300 mm
Q. For a steel grillage footing to support two unequal column loads
a. Line of action of the resultant of two column loads, is made to coincide with the centre of gravity of the base of the footing
b. Trapezoidal shape is used for the base footing
c. Projections of beams on either side in lower tier are such that bending momentsunder columns are equal
d. All the above
Q. In a tension member if one or more than one rivet holes are off the line, the failure of the member depends 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 in direction at both ends, is
a. L
b. 0.67 L
c. 0.85 L
d. 1.5 L
Q. By providing sufficient edge distance, which of the following failures of rivetedjoint can be avoided?
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 ofrolled I-sections and channels 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 the compressive 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. The safe working pressure for a spherical vessel 1.5 m diameter and having 1.5 cm thick wall not to exceed tensile stress 50kg/cm2, is
a. 16 kg/cm2
b. 18 kg/cm2
c. 20 kg/cm2
d. 22 kg/cm2
Q. Battening is preferable when the(i) Column carries axial load only(ii) Space between the two main components is not very large(iii) Column is eccentrically loadedThe correct answer is
a. Only (i)
b. Only (iii)
c. (i) and (ii)
d. (ii) and (iii)
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