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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. 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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3. Lug angles

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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. The least dimension in case of a circular column of diameter D is taken as

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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 bracing between two columns of a steel tank will be designed to resist

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9. The risk coefficient k, depends on

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10. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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11. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)

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12. Bearing stiffener in a plate girder is used to

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13. The forces acting on the web splice of a plate girder are

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14. 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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15. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is

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16. Lacing bars in a steel column should be designed to resist

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17. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

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18. The best arrangement to provide unified behavior inbuilt up steel columns is by

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19. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

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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. 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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22. In the cross-section of a weld, throat is the

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23. As compared to field rivets, the shop rivets are

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24. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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25. 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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26. The heaviest I-section for same depth is

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27. The minimum number of main steel bars provided in R.C.C.

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28. If the size of a column is reduced above the floor, the main bars of the column, are

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29. Effective depth and depth of the neutral axis respectively of a singly reinforced?

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30. The width of the flange of a T-beam should be less than

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31. With usual notations the depth of the neutral axis of a balanced section, is given by

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32. The width of the rib of a T-beam , is generally kept between

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33. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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34. In a simply supported slab, alternate bars are curtailed at

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35. The nutral axis of a T-beam exists

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36. In a pre-stressed member, it is advisable to use

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37. 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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38. In the displacement method of structural analysis, the basic unknowns are

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39. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

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40. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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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 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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43. 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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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. Generally, the purlins are placed at the panel points so as to avoid

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48. The maximum permissible span of asbestos cement sheets is

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49. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)

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50. Horizontal stiffener in a plate girder is provided to safeguard against

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