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. 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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3. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)
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4. The mechanism method of plastic analysis satisfies
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5. In case of timber structures, the form factor for solid circular cross-section is taken as
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6. The least dimension in case of a circular column of diameter D is taken as
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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. 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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10. 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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11. Which of the following sections should preferably be used at places where torsion occurs?
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12. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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13. The external wind pressure acting on a roof depends on
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14. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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15. The web crippling due to excessive bearing stress can be avoided by
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16. Lacing bars in a steel column should be designed to resist
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17. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)
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18. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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19. Diameter of a bolt hole is usually taken as
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20. Select the correct statement
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21. Bolts are most suitable to carry
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22. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
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23. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
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24. 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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25. The minimum number of main steel bars provided in R.C.C.
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26. If the size of a column is reduced above the floor, the main bars of the column, are
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27. As the percentage of steel increases
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28. By over-reinforcing a beam, the moment of resistance can be increased not more than
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29. 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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30. The self-weight of the footing, is
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31. The nutral axis of a T-beam exists
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32. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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33. Which of the following methods of structural analysis is a force method?
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34. 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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35. Bending moment at any section in a conjugate beam gives in the actual beam
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36. The carryover factor in a prismatic member whose far end is fixed is
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37. 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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38. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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39. 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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40. Normally in a truss structure, tension occurs at/for?
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41. In frame structure, what transfers the load to columns?
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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. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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44. The sway bracing is designed to transfer
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45. 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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46. Generally, the purlins are placed at the panel points so as to avoid
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47. Normally, the angle of roof truss with asbestos sheets should not be less than
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48. 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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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. Horizontal stiffener in a plate girder is provided to safeguard against
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