FAQ’s for Structural Design Jobs
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1. 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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2. Lug angles
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3. The statical method of plastic analysis satisfies
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4. The moment-curvature relation at a plastic hinge is
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5. The mechanism method and the statical method give
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6. Shape factor is a property which depends
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7. In case of timber structures, the simple bending formula M = fz may be applied for
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8. Which of the following sections should preferably be used at places where torsion occurs?
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9. The bracing between two columns of a steel tank will be designed to resist
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10. The external wind pressure acting on a roof depends on
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11. Rivets connecting flange angles to cover plates in a plate girder are subjected to
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12. The forces acting on the web splice of a plate girder are
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13. Gantry girders are designed to resist
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14. 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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15. The web crippling due to excessive bearing stress can be avoided by
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16. The actual thickness of butt weld as compared to the thickness of plate is usually
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17. In the cross-section of a weld, throat is the
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18. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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19. Select the correct statement
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20. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
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21. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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22. 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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23. 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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24. Bending compressive and tensile stresses respectively are calculated based on
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25. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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26. An under-reinforced section means
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27. As the percentage of steel increases
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28. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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29. By over-reinforcing a beam, the moment of resistance can be increased not more than
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30. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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31. Enlarged head of a supporting column of a flat slab is technically known as
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32. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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33. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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34. The maximum bending moment due to a train of wheel loads on a simply supported girder
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35. A single rolling load of 8 kN rolls alone a girder of 15 m span. the absolute maximum bending moment will be
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36. 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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37. If the size of panel in a flat slab is 6m x 6m, then as per Indian standard code, the widths of column strip and middle strip are
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38. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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39. A steel rod 1 meter long having square cross section is pulled under a tensile load of 8 tones the extension in the rod was 1 mm only. if E steel=2x106kg/cm2, the side of the rod, is
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40. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?
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41. 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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42. Shell structure does not have any?
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43. Normally in a truss structure, tension occurs at/for?
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44. 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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45. One of the criteria for the effective width of flange of T-beam is bf =-+bw+6Df6 in above formula, lo signifies?
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46. 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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47. 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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48. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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49. 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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50. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet
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