FAQ’s for Structural Design Jobs
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1. Pitch of tacking rivets, when double angles connected back-to-back and acting as tension members should not be more than
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2. The mechanism method of plastic analysis satisfies
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3. The elastic strain for steel is about
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4. The bracing provided in the plane of end posts is called
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5. Which of the following sections should preferably be used at places where torsion occurs?
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6. The capacity of the smallest pressed steel tank is
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7. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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8. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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9. Bearing stiffener in a plate girder is used to
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10. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
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11. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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12. The best arrangement to provide unified behavior inbuilt up steel columns is by
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13. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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14. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
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15. The slenderness ratio of a column supported throughout its length by a masonry wall is
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16. A circular column section is generally not used in actual practice because
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17. In the cross-section of a weld, throat is the
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18. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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19. If the thickness of plate to be connected by a rivet is 16mm, then suitable size of rivet as per Unwin’s formula will be
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20. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which
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21. If the size of a column is reduced above the floor, the main bars of the column, are
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22. The width of the flange of a T-beam should be less than
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23. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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24. The steel generally used in R.C.C. work, is
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25. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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26. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept
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27. In a simply supported slab, alternate bars are curtailed at
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28. The maximum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of
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29. The width of the flange of a L-beam, should be less than
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30. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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31. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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32. In the displacement method of structural analysis, the basic unknowns are
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33. Which of the following methods of structural analysis is a force method?
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34. When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that
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35. Bending moment at any section in a conjugate beam gives in the actual beam
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36. In the slope deflection equations, the deformations are considered to be caused by
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37. The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of ? (Where xu is the depth of natural axis at the limit state of collapse)
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38. According to IS codes recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
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39. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?
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40. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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41. The effect of racking forces is considered in the design of ( i) lateral braces, ii) chord members) The correct answer is
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42. The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ’h’ is
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43. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
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44. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
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45. The range of economical spacing of trusses varies from
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46. As per IS: 800, for compression flange, the out stand of flange plates should not exceed (where t = thickness of thinnest flange plate)
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47. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)
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48. Horizontal stiffener in a plate girder is provided to safeguard against
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49. 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 loaded The correct answer is)
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50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
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