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 allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)
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3. For rivets in tension with counter-sunk heads, the tensile value shall be
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4. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
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5. 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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6. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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7. Other conditions being same, the load factor in indeterminate structures is
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8. Load factor is
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9. The statical method of plastic analysis satisfies
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10. The elastic strain for steel is about
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11. In case of timber structures, the form factor for solid circular cross-section is taken as
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12. The portal bracing in a truss bridge is used to
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13. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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14. Which of the following sections should preferably be used at places where torsion occurs?
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15. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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16. The internal pressure coefficient on walls for buildings with large permeability is taken as
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17. Rivets connecting flange angles to cover plates in a plate girder are subjected to
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18. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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19. The forces acting on the web splice of a plate girder are
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20. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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21. The effective length of a battened column is increased by
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22. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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23. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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24. The slenderness ratio of a column supported throughout its length by a masonry wall is
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25. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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26. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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27. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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28. 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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29. Bending compressive and tensile stresses respectively are calculated based on
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30. The heaviest I-section for same depth is
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31. The width of the flange of a T-beam should be less than
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32. An under-reinforced section means
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33. As the percentage of steel increases
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34. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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35. By over-reinforcing a beam, the moment of resistance can be increased not more than
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36. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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37. In a simply supported slab, alternate bars are curtailed at
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38. The minimum thickness of s flat slab is taken
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39. Which of the following methods of structural analysis is a displacement method?
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40. The maximum bending moment due to a train of wheel loads on a simply supported girder
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41. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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42. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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43. 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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44. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be?
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45. Which of the below is a disadvantage of frame structure?
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46. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
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47. The relation between intensity of wind pressure p and velocity of wind V is taken as
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48. 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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49. Normally, the angle of roof truss with asbestos sheets should not be less than
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50. Bearing stiffeners are provided at ( i) the supports, ii) the mid span, iii) the point of application of concentrated loads) The correct answer is
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