FAQ’s for Structural Design Jobs
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1. Lug angles
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2. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (where, t = the web thickness in mm, h = the outstand of stiffener in mm)
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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 shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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5. Which of the following conditions is to be satisfied both in elastic and plastic analysis?
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6. Load factor is
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7. The statical method of plastic analysis satisfies
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8. The moment-curvature relation at a plastic hinge is
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9. In case of timber structures, the simple bending formula M = fz may be applied for
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10. The bracing provided in the plane of end posts is called
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11. The effect of racking forces is considered in the design of i) lateral braces, ii) chord members. The correct answer is
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12. Which of the following sections should preferably be used at places where torsion occurs?
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13. The number of seismic zones in which the country has been divided are
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14. The external wind pressure acting on a roof depends on
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15. The web crippling due to excessive bearing stress can be avoided by
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16. The slenderness ratio of lacing bars should not exceed
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17. The best arrangement to provide unified behavior inbuilt up steel columns is by
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18. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as
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19. A circular column section is generally not used in actual practice because
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20. The actual thickness of butt weld as compared to the thickness of plate is usually
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21. A butt weld is specified by
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22. Bolts are most suitable to carry
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23. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
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24. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?
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25. 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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26. 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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27. The minimum number of main steel bars provided in R.C.C.
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28. The width of the flange of a T-beam should be less than
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29. An under-reinforced section means
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30. With usual notations the depth of the neutral axis of a balanced section, is given by
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31. As the percentage of steel increases
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32. By over-reinforcing a beam, the moment of resistance can be increased not more than
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33. 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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34. The self-weight of the footing, is
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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. In the slope deflection equations, the deformations are considered to be caused by
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39. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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40. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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41. 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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42. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?
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43. 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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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. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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46. The effect of racking forces is considered in the design of ( i) lateral braces, ii) chord members) The correct answer is
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47. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
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48. 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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49. Normally, the angle of roof truss with asbestos sheets should not be less than
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50. Horizontal stiffener in a plate girder is provided to safeguard against
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