FAQ’s for Structural Design Jobs
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1. 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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2. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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3. Other conditions being same, the load factor in indeterminate structures is
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4. The mechanism method and the statical method give
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5. The least dimension in case of a circular column of diameter D is taken as
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6. In case of timber structures, the simple bending formula M = fz may be applied for
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7. The bracing provided in the plane of end posts is called
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8. The portal bracing in a truss bridge is used to
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9. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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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 minimum thickness of plates in a steel stack should be
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13. 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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14. The forces acting on the web splice of a plate girder are
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15. Gantry girders are designed to resist
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16. The web crippling due to excessive bearing stress can be avoided by
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17. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
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18. Lacing bars in a steel column should be designed to resist
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19. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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20. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
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21. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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22. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
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23. 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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24. A butt weld is specified by
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25. Bolts are most suitable to carry
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26. As compared to field rivets, the shop rivets are
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27. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which
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28. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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29. The effective width of a column strip of a flat slab, is
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30. As the percentage of steel increases
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31. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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32. The steel generally used in R.C.C. work, is
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33. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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34. Enlarged head of a supporting column of a flat slab is technically known as
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35. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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36. The nutral axis of a T-beam exists
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37. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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38. Which of the following is not the displacement method?
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39. 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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40. 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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41. The three moments equation is applicable only when
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42. 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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43. 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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44. In frame structure, what transfers the load to columns?
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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 diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)
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48. 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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49. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
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50. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet
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