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. 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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3. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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4. In the virtual work method, the virtual quantity is
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5. The mechanism method of plastic analysis satisfies
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6. The mechanism method and the statical method give
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7. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
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8. The bracing provided in the plane of end posts is called
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9. The portal bracing in a truss bridge is used to
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10. 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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11. 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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12. The number of seismic zones in which the country has been divided are
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13. Area of openings for buildings of large permeability is more than
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14. Steel tanks are mainly designed for
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15. The external wind pressure acting on a roof depends on
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16. Horizontal stiffener in a plate girder is provided to safe guard against
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17. The slenderness ratio of lacing bars should not exceed
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18. The best arrangement to provide unified behavior inbuilt up steel columns is by
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19. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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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 effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
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22. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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23. Diameter of a bolt hole is usually taken as
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24. Bolts are most suitable to carry
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25. 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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26. The minimum number of main steel bars provided in R.C.C.
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27. According to the steel beam theory of doubly reinforced beams
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28. 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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29. The steel generally used in R.C.C. work, is
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30. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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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 width of the flange of a L-beam, should be less than
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33. 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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34. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies
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35. The maximum bending moment due to a train of wheel loads on a simply supported girder
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36. Bending moment at any section in a conjugate beam gives in the actual beam
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37. In the slope deflection equations, the deformations are considered to be caused by
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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. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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40. 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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41. The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is?
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42. In frame structure, what transfers the load to columns?
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43. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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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. The sway bracing is designed to transfer
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46. 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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47. Generally, the purlins are placed at the panel points so as to avoid
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48. 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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49. Horizontal stiffener in a plate girder is provided to safeguard against
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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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