FAQ’s for Structural Design Jobs
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1. 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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2. A steel beam supporting loads from the floor slab as well as from wall is termed as
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3. 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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4. 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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5. 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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6. Other conditions being same, the load factor in indeterminate structures is
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7. The bracing provided in the plane of end posts is called
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8. 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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9. Hudson’s formula gives the dead weight of a truss bridge as a function of
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10. 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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11. Which of the following sections should preferably be used at places where torsion occurs?
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12. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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13. Area of openings for buildings of large permeability is more than
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14. The external wind pressure acting on a roof depends on
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15. 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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16. Rivets connecting flange angles to cover plates in a plate girder are subjected to
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17. Horizontal stiffener in a plate girder is provided to safe guard against
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18. Lacing bars in a steel column should be designed to resist
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19. The use of tie plates in laced columns 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. Diameter of a bolt hole is usually taken as
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22. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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23. The heaviest I-section for same depth is
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24. The minimum number of main steel bars provided in R.C.C.
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25. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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26. An under-reinforced section means
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27. The effective width of a column strip of a flat slab, is
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28. 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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29. Enlarged head of a supporting column of a flat slab is technically known as
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30. 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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31. The self-weight of the footing, is
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32. The minimum thickness of s flat slab is taken
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33. 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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34. Which of the following methods of structural analysis is a force method?
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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. The maximum bending moment due to a train of wheel loads on a simply supported girder
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37. Bending moment at any section in a conjugate beam gives in the actual beam
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38. In the slope deflection equations, the deformations are considered to be caused by
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39. The carryover factor in a prismatic member whose far end is fixed is
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40. 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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41. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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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. 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. Which of the below is a disadvantage of frame structure?
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45. 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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46. Normally, the angle of roof truss with asbestos sheets should not be less than
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47. The maximum permissible span of asbestos cement sheets is
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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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