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

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4. The mechanism method of plastic analysis satisfies

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5. The mechanism method and the statical method give

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

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8. The capacity of the smallest pressed steel tank is

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

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

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12. The forces acting on the web splice of a plate girder are

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

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14. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

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15. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

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

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

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

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19. A butt weld is specified by

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

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21. Diameter of a bolt hole is usually taken as

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22. Bolts are most suitable to carry

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23. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)

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

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25. 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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26. Which of the following types of riveted joint is free from bending stresses?

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27. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

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28. Bending compressive and tensile stresses respectively are calculated based on

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

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30. The steel generally used in R.C.C. work, 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 minimum thickness of s flat slab is taken

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34. 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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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. When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that

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

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40. The three moments equation is applicable only when

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

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

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44. 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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45. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?

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46. 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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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. The range of economical spacing of trusses varies from

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49. As per IS: 800, for compression flange, the out stand of flange plates should not exceed (where t = thickness of thinnest flange plate)

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50. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and F mis the shearing load due to moment in any rivet.)

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