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FAQ’s for Structural Design Jobs

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1. 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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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. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

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4. Load factor is

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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. compression force in two end posts The pin of a rocker bearing in a bridge is designed for

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8. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

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9. 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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10. Which of the following sections should preferably be used at places where torsion occurs?

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11. The number of seismic zones in which the country has been divided are

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12. The capacity of the smallest pressed steel tank is

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13. The risk coefficient k, depends on

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14. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)

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15. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds 9where t is thickness of web)

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16. Shear buckling of web in a plate girder is prevented by using

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17. The slenderness ratio of lacing bars should not exceed

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18. The effective length of a battened column is increased by

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19. The use of tie plates in laced columns is

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20. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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21. 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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22. In the cross-section of a weld, throat is the

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23. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is

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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. The heaviest I-section for same depth is

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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 steel generally used in R.C.C. work, is

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31. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

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32. Enlarged head of a supporting column of a flat slab is technically known as

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33. On a circular slab of radius, the maximum radial moment at the center if the load on the slab in wkn/m2

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34. The nutral axis of a T-beam exists

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35. In a pre-stressed member, it is advisable to use

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36. 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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37. Which of the following methods of structural analysis is a displacement method?

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38. Which of the following methods of structural analysis is a force method?

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39. 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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40. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

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41. In the slope deflection equations, the deformations are considered to be caused by

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42. 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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43. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, 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. Normally in a truss structure, tension occurs at/for?

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46. The sway bracing is designed to transfer

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47. 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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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. The maximum permissible span of asbestos cement sheets 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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