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. Lug angles
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3. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
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4. The moment-curvature relation at a plastic hinge is
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5. Shape factor is a property which depends
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6. In case of timber structures, the form factor for solid circular cross-section is taken as
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7. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as
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8. The number of seismic zones in which the country has been divided are
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9. The bracing between two columns of a steel tank will be designed to resist
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10. Steel tanks are mainly designed for
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11. The external wind pressure acting on a roof depends on
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12. The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ‘h’ is
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13. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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14. The forces acting on the web splice of a plate girder are
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15. 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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16. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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17. 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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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. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
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20. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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21. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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22. 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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23. Bending compressive and tensile stresses respectively are calculated based on
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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. According to the steel beam theory of doubly reinforced beams
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27. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to
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28. 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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29. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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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 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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32. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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33. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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34. In the displacement method of structural analysis, the basic unknowns are
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35. 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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36. A single rolling load of 8 kN rolls alone a girder of 15 m span. the absolute maximum bending moment will be
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37. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
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38. 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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39. 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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40. 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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41. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?
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42. 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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43. Which of the below is a disadvantage of frame structure?
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44. 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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45. Normally, the angle of roof truss with asbestos sheets should not be less than
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46. The maximum permissible span of asbestos cement sheets is
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47. Horizontal stiffener in a plate girder is provided to safeguard against
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48. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet
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49. Which of the following types of riveted joint is free from bending stresses ?
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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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