FAQ’s for Structural Design Jobs
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1. Load factor is
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2. The mechanism method and the statical method give
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3. Shape factor is a property which depends
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4. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
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5. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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6. Hudson’s formula gives the dead weight of a truss bridge as a function of
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7. Which of the following sections should preferably be used at places where torsion occurs?
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8. The number of seismic zones in which the country has been divided are
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9. Area of openings for buildings of large permeability is more than
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10. Gantry girders are designed to resist
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11. 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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12. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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13. Shear buckling of web in a plate girder is prevented by using
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14. The slenderness ratio of lacing bars should not exceed
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15. 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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16. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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17. 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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18. A butt weld is specified by
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19. Diameter of a bolt hole is usually taken as
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20. Select the correct statement
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21. As compared to field rivets, the shop rivets are
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22. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
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23. 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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24. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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25. As the percentage of steel increases
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26. 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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27. By over-reinforcing a beam, the moment of resistance can be increased not more than
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28. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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29. 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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30. Enlarged head of a supporting column of a flat slab is technically known as
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31. In a pre-stressed member, it is advisable to use
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32. The width of the flange of a L-beam, should be less than
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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. Which of the following methods of structural analysis is a displacement method?
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35. Which of the following is not the displacement method?
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36. 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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37. 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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38. The three moments equation is applicable only when
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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. 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. 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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42. A truss containing j joints and m members, will be a simple truss if?
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43. 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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44. 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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45. 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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46. 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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47. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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48. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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49. The diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)
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50. The range of economical spacing of trusses varies from
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