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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. A steel beam supporting loads from the floor slab as well as from wall is termed as

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3. For rivets in tension with counter-sunk heads, the tensile value shall be

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4. 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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5. In the virtual work method, the virtual quantity is

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6. Other conditions being same, the load factor in indeterminate structures is

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7. The least dimension in case of a circular column of diameter D is taken as

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

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

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10. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as

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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. Area of openings for buildings of large permeability is more than

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13. The capacity of the smallest pressed steel tank is

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

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

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16. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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

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18. Lacing bars in a steel column should be designed to resist

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19. The best arrangement to provide unified behavior inbuilt up steel columns is by

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20. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

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21. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

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22. The slenderness ratio of a column supported throughout its length by a masonry wall is

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23. A butt weld is specified by

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

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

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26. Diameter of a bolt hole is usually taken as

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27. Select the correct statement

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28. 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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29. If the size of a column is reduced above the floor, the main bars of the column, are

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

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31. An under-reinforced section means

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32. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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33. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

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

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35. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

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36. In the displacement method of structural analysis, the basic unknowns are

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

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38. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

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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. Bending moment at any section in a conjugate beam gives in the actual beam

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

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42. 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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43. 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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44. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

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45. 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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46. 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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47. The sway bracing is designed to transfer

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48. The diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)

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

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