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. For rivets in tension with counter-sunk heads, the tensile value shall be
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3. Lug angles
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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. Load factor is
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6. The moment-curvature relation at a plastic hinge is
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7. The mechanism method and the statical method give
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8. In case of timber structures, the simple bending formula M = fz may be applied for
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9. 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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10. Which of the following sections should preferably be used at places where torsion occurs?
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11. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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12. The internal pressure coefficient on walls for buildings with large permeability is taken as
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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. 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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15. Bearing stiffeners are provided at i) the supports, ii) the mid span, iii) the point of application of concentrated loads. The correct answer is
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16. 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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17. Economical depth of a plate girder corresponds to
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18. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
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19. The effective length of a battened column is increased by
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20. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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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. A circular column section is generally not used in actual practice because
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23. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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24. Bolts are most suitable to carry
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25. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
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26. 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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27. Which of the following types of riveted joint is free from bending stresses?
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28. 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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29. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as
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30. Bending compressive and tensile stresses respectively are calculated based on
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31. The minimum number of main steel bars provided in R.C.C.
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32. With usual notations the depth of the neutral axis of a balanced section, is given by
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33. According to the steel beam theory of doubly reinforced beams
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34. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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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. Which of the following is not the displacement method?
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37. The maximum bending moment due to a train of wheel loads on a simply supported girder
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38. In the slope deflection equations, the deformations are considered to be caused by
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39. According to IS codes recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
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40. 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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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. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?
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43. 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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44. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?
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45. 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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46. Normally, the angle of roof truss with asbestos sheets should not be less than
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47. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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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. Which of the following types of riveted joint is free from bending stresses ?
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