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FAQ’s for Structural Design Jobs

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

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

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4. Which of the following conditions is to be satisfied both in elastic and plastic analysis?

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5. The statical method of plastic analysis satisfies

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6. Shape factor is a property which depends

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

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

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

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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. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)

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13. Horizontal stiffener in a plate girder is provided to safe guard against

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14. The slenderness ratio of lacing bars should not exceed

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

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

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17. The maximum slenderness ratio of a compression member carrying both dead and superimposed load 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 circular column section is generally not used in actual practice because

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20. A butt weld is specified by

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21. Diameter of a bolt hole is usually taken as

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22. Select the correct statement

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23. As compared to field rivets, the shop rivets are

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

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25. An under-reinforced section means

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

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27. The effective width of a column strip of a flat slab, is

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28. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

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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. The minimum thickness of s flat slab is taken

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

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

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36. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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37. 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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38. 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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39. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?

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40. 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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41. Shell structure does not have any?

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42. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?

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43. 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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44. 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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45. 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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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. Normally, the angle of roof truss with asbestos sheets should not be less than

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48. 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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49. 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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50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

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