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FAQ’s for Structural Design Jobs

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1. In moment resistant connections, the moment resistance of riveted connection depends upon

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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. 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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4. 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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5. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

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6. In the virtual work method, the virtual quantity is

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7. Load factor is

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8. The moment-curvature relation at a plastic hinge is

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9. The elastic strain for steel is about

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10. The portal bracing in a truss bridge is used to

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11. 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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12. The bracing between two columns of a steel tank will be designed to resist

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13. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

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14. The risk coefficient k, depends on

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15. The internal pressure coefficient on walls for buildings with large permeability is taken as

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

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17. 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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18. The web crippling due to excessive bearing stress can be avoided by

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19. Economical depth of a plate girder corresponds to

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

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21. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as

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22. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

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23. The effective length of a fillet weld should not be less than

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

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25. Bolts are most suitable to carry

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26. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

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27. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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28. The minimum number of main steel bars provided in R.C.C.

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29. The width of the flange of a T-beam should be less than

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30. With usual notations the depth of the neutral axis of a balanced section, is given by

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31. As the percentage of steel increases

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32. According to the steel beam theory of doubly reinforced beams

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33. 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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34. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is

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

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36. 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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37. The minimum thickness of s flat slab is taken

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

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39. 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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40. The maximum bending moment due to a train of wheel loads on a simply supported girder

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41. 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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42. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

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43. 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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44. 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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45. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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46. A cantilever of length is subjected to a bending moment at its free end If EI is the rigidity of the section, the deflection of the free end, is?

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47. The sway bracing is designed to transfer

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48. Generally, the purlins are placed at the panel points so as to avoid

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49. The range of economical spacing of trusses varies from

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50. 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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