FAQ’s for Structural Design Jobs
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1. 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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2. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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3. The least dimension in case of a circular column of diameter D is taken as
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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. In case of timber structures, the simple bending formula M = fz may be applied for
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6. If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called
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7. Which of the following sections should preferably be used at places where torsion occurs?
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8. The number of seismic zones in which the country has been divided are
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9. The minimum thickness of plates in a steel stack should be
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10. Gantry girders are designed to resist
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11. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds 9where t is thickness of web)
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12. The web crippling due to excessive bearing stress can be avoided by
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13. Shear buckling of web in a plate girder is prevented by using
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14. The use of tie plates in laced columns is
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15. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
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16. A circular column section is generally not used in actual practice because
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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. In the cross-section of a weld, throat is the
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19. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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20. Diameter of a bolt hole is usually taken as
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21. Bolts are most suitable to carry
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22. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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23. 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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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. An under-reinforced section means
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27. With usual notations the depth of the neutral axis of a balanced section, is given by
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28. As the percentage of steel increases
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29. Enlarged head of a supporting column of a flat slab is technically known as
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30. On a circular slab of radius, the maximum radial moment at the center if the load on the slab in wkn/m2
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31. In a simply supported slab, alternate bars are curtailed at
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32. The self-weight of the footing, is
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33. The nutral axis of a T-beam exists
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34. The minimum thickness of s flat slab is taken
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35. In a pre-stressed member, it is advisable to use
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36. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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37. Which of the following methods of structural analysis is a force method?
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38. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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39. In the slope deflection equations, the deformations are considered to be caused by
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40. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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41. A truss containing j joints and m members, will be a simple truss if?
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42. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?
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43. If a concrete column 200×200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15Ec?
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44. 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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45. 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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46. In frame structure, what transfers the load to columns?
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47. Which of the below is a disadvantage of frame structure?
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48. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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49. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
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50. 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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