FAQ’s for Structural Design Jobs
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1. Pitch of tacking rivets, when double angles connected back-to-back and acting as tension members should not be more than
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2. The mechanism method of plastic analysis satisfies
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3. The elastic strain for steel is about
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4. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
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5. 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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6. Hudson’s formula gives the dead weight of a truss bridge as a function of
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7. The number of seismic zones in which the country has been divided are
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8. The minimum thickness of plates in a steel stack should be
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9. Steel tanks are mainly designed for
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10. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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11. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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12. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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13. The slenderness ratio of lacing bars should not exceed
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14. 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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15. The effective length of a battened column is increased by
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16. Lacing bars in a steel column should be designed to resist
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17. The use of tie plates in laced columns is
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18. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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19. The best arrangement to provide unified behavior inbuilt up steel columns is by
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20. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
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21. A butt weld is specified by
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22. Select the correct statement
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23. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate
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24. The minimum number of main steel bars provided in R.C.C.
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25. The width of the flange of a T-beam should be less than
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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 width of the rib of a T-beam , is generally kept between
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28. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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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. In a pre-stressed member, it is advisable to use
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33. 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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34. Which of the following is not the displacement method?
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35. 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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36. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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37. Bending moment at any section in a conjugate beam gives in the actual beam
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38. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
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39. 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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40. 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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41. A truss containing j joints and m members, will be a simple truss if?
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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 rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?
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44. A cantilever of length is subjected to a bending moment at its free end If EI is the rigidity of the section, the deflection of the free end, is?
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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. 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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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. 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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49. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)
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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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