FAQ’s for Structural Design Jobs
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1. In moment resistant connections, the moment resistance of riveted connection depends upon
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2. Lug angles
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3. 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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4. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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5. The statical method of plastic analysis satisfies
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6. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
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7. In case of timber structures, the simple bending formula M = fz may be applied for
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8. The portal bracing in a truss bridge is used to
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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 bracing between two columns of a steel tank will be designed to resist
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11. Steel tanks are mainly designed for
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12. The web crippling due to excessive bearing stress can be avoided by
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13. Horizontal stiffener in a plate girder is provided to safe guard against
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14. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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15. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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16. 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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17. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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18. Diameter of a bolt hole is usually taken as
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19. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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20. 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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21. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
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22. 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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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. The effective width of a column strip of a flat slab, is
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27. As the percentage of steel increases
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28. The width of the rib of a T-beam , is generally kept between
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29. 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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30. By over-reinforcing a beam, the moment of resistance can be increased not more than
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31. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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32. 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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33. The nutral axis of a T-beam exists
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34. In a pre-stressed member, it is advisable to use
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35. The width of the flange of a L-beam, should be less than
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36. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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37. Which of the following methods of structural analysis is a displacement method?
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38. Which of the following methods of structural analysis is a force method?
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39. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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40. The three moments equation is applicable only when
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41. 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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42. 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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43. 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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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. 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. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
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48. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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49. The range of economical spacing of trusses varies from
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50. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)
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