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FAQ’s for Structural Design Jobs

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1. Other conditions being same, the load factor in indeterminate structures is

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2. The ratio of plastic section modulus to elastic section modulus

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3. The mechanism method of plastic analysis satisfies

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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. The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)

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8. Which of the following sections should preferably be used at places where torsion occurs?

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9. The minimum thickness of plates in a steel stack should be

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

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11. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

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

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13. Bearing stiffener in a plate girder is used to

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

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15. Shear buckling of web in a plate girder is prevented by using

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16. The slenderness ratio of lacing bars should not exceed

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17. The effective length of a battened column is increased by

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18. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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19. The slenderness ratio of a column supported throughout its length by a masonry wall is

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20. A circular column section is generally not used in actual practice because

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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. The effective length of a fillet weld should not be less than

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

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24. If the thickness of plate to be connected by a rivet is 16mm, then suitable size of rivet as per Unwin’s formula will be

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

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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 effective width of a column strip of a flat slab, is

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28. As the percentage of steel increases

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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. Enlarged head of a supporting column of a flat slab is technically known as

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31. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

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32. The minimum thickness of s flat slab is taken

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

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34. The width of the flange of a L-beam, should be less than

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35. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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36. Which of the following methods of structural analysis is a force method?

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37. 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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38. Bending moment at any section in a conjugate beam gives in the actual beam

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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. The carryover factor in a prismatic member whose far end is fixed is

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41. If the size of panel in a flat slab is 6m x 6m, then as per Indian standard code, the widths of column strip and middle strip are

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42. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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43. A steel rod 1 meter long having square cross section is pulled under a tensile load of 8 tones the extension in the rod was 1 mm only. if E steel=2x106kg/cm2, the side of the rod, 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. 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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46. Generally, the purlins are placed at the panel points so as to avoid

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47. 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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48. The range of economical spacing of trusses varies from

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49. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

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