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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. In moment resistant connections, the moment resistance of riveted connection depends upon

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3. The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)

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4. 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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5. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

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6. In the virtual work method, the virtual quantity is

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7. Load factor is

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8. The mechanism method of plastic analysis satisfies

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9. The statical method of plastic analysis satisfies

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

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11. Area of openings for buildings of large permeability is more than

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12. Steel tanks are mainly designed for

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13. The risk coefficient k, depends on

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14. The internal pressure coefficient on walls for buildings with large permeability is taken as

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15. As per IS: 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)

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16. The web crippling due to excessive bearing stress can be avoided by

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17. Horizontal stiffener in a plate girder is provided to safe guard against

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

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

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20. The slenderness ratio of lacing bars should not exceed

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

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

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

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

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25. 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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26. Select the correct statement

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27. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is

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

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29. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

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30. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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

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32. As the percentage of steel increases

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33. According to the steel beam theory of doubly reinforced beams

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34. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

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

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

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39. The minimum thickness of s flat slab is taken

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40. 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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41. 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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42. The carryover factor in a prismatic member whose far end is fixed is

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

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44. 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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45. 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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46. 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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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. 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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49. Normally, the angle of roof truss with asbestos sheets should not be less than

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50. As per IS: 800, for compression flange, the out stand of flange plates should not exceed (where t = thickness of thinnest flange plate)

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