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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 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. The mechanism method of plastic analysis satisfies

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

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8. In case of timber structures, the form factor for solid circular cross-section is taken as

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9. In case of timber structures, the simple bending formula M = fz may be applied for

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10. 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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11. Hudson’s formula gives the dead weight of a truss bridge as a function of

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

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

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14. The risk coefficient k, depends on

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

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16. Bearing stiffener in a plate girder is used to

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

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18. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is

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19. The use of tie plates in laced columns is

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

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21. The actual thickness of butt weld as compared to the thickness of plate is usually

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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. Diameter of a bolt hole is usually taken as

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24. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is

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

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

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28. The heaviest I-section for same depth is

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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. Effective depth and depth of the neutral axis respectively of a singly reinforced?

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

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32. As the percentage of steel increases

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33. By over-reinforcing a beam, the moment of resistance can be increased not more than

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

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35. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept

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

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37. The self-weight of the footing, is

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

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39. The width of the flange of a L-beam, should be less than

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

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

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

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44. 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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45. 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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46. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?

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47. 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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48. Normally, the angle of roof truss with asbestos sheets should not be less than

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49. The maximum permissible span of asbestos cement sheets is

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

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