FAQ’s for Structural Design Jobs
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1. For rivets in tension with counter-sunk heads, the tensile value shall be
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2. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (where, t = the web thickness in mm, h = the outstand of stiffener in mm)
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3. Other conditions being same, the load factor in indeterminate structures is
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4. The statical method of plastic analysis satisfies
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5. The moment-curvature relation at a plastic hinge is
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6. The mechanism method and the statical method give
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7. In case of timber structures, the form factor for solid circular cross-section is taken as
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8. The least dimension in case of a circular column of diameter D is taken as
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9. In case of timber structures, the simple bending formula M = fz may be applied for
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10. If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called
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11. Hudson’s formula gives the dead weight of a truss bridge as a function of
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12. The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)
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13. Which of the following sections should preferably be used at places where torsion occurs?
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14. Steel tanks are mainly designed for
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15. The external wind pressure acting on a roof depends on
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16. As per IS: 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)
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17. The web crippling due to excessive bearing stress can be avoided by
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18. Horizontal stiffener in a plate girder is provided to safe guard against
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19. The slenderness ratio of lacing bars should not exceed
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20. Economical depth of a plate girder corresponds to
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21. 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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22. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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23. The effective length of a fillet weld should not be less than
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24. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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25. As compared to field rivets, the shop rivets are
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26. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
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27. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as
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28. The heaviest I-section for same depth is
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29. The minimum number of main steel bars provided in R.C.C.
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30. If the size of a column is reduced above the floor, the main bars of the column, are
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31. The width of the flange of a T-beam should be less than
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32. The width of the rib of a T-beam , is generally kept between
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33. 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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34. The self-weight of the footing, is
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35. 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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36. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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37. The maximum bending moment due to a train of wheel loads on a simply supported girder
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38. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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39. 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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40. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?
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41. The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is?
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42. Normally in a truss structure, tension occurs at/for?
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43. 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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44. 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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45. 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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46. The relation between intensity of wind pressure p and velocity of wind V is taken as
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47. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)
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48. The maximum permissible span of asbestos cement sheets is
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49. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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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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