FAQ’s for Structural Design Jobs
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1. Lug angles
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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. 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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4. Which of the following conditions is to be satisfied both in elastic and plastic analysis?
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5. Other conditions being same, the load factor in indeterminate structures is
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6. Load factor is
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7. The mechanism method of plastic analysis satisfies
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8. The moment-curvature relation at a plastic hinge is
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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 centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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11. 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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12. Hudson’s formula gives the dead weight of a truss bridge as a function of
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13. The number of seismic zones in which the country has been divided are
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14. Steel tanks are mainly designed for
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15. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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16. 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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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 slenderness ratio of lacing bars should not exceed
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20. Lacing bars in a steel column should be designed to resist
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21. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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22. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
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23. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
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24. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as
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25. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
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26. The slenderness ratio of a column supported throughout its length by a masonry wall is
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27. In the cross-section of a weld, throat is the
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28. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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29. Diameter of a bolt hole is usually taken as
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30. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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31. The minimum number of main steel bars provided in R.C.C.
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32. According to the steel beam theory of doubly reinforced beams
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33. The steel generally used in R.C.C. work, is
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34. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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35. The self-weight of the footing, is
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36. The minimum thickness of s flat slab is taken
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37. Which of the following is not the displacement method?
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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. A truss containing j joints and m members, will be a simple truss if?
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40. 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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41. 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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42. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?
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43. Which of the below is a disadvantage of frame structure?
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44. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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45. The sway bracing is designed to transfer
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46. 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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47. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
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48. Generally, the purlins are placed at the panel points so as to avoid
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49. The range of economical spacing of trusses varies from
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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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