FAQ’s for Structural Design Jobs
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1. 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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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. In the virtual work method, the virtual quantity is
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4. The statical method of plastic analysis satisfies
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5. Shape factor is a property which depends
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6. The least dimension in case of a circular column of diameter D is taken as
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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 internal pressure coefficient on walls for buildings with large permeability is taken as
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11. Rivets connecting flange angles to cover plates in a plate girder are subjected to
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12. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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13. 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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14. Shear buckling of web in a plate girder is prevented by using
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15. Lacing bars in a steel column should be designed to resist
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16. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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17. The best arrangement to provide unified behavior inbuilt up steel columns is by
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18. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)
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19. The actual thickness of butt weld as compared to the thickness of plate is usually
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20. The effective length of a fillet weld should not be less than
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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 heaviest I-section for same depth is
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25. The minimum number of main steel bars provided in R.C.C.
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26. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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27. With usual notations the depth of the neutral axis of a balanced section, is given by
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28. The effective width of a column strip of a flat slab, is
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29. The steel generally used in R.C.C. work, is
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30. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed
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31. The self-weight of the footing, is
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32. Which of the following is not the displacement method?
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33. 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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34. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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35. 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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36. 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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37. 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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38. Normally in a truss structure, tension occurs at/for?
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39. The sway bracing is designed to transfer
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40. 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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41. 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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42. 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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43. 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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44. The maximum permissible span of asbestos cement sheets is
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45. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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46. The range of economical spacing of trusses varies from
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47. 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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48. Horizontal stiffener in a plate girder is provided to safeguard against
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49. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)
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50. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and F mis the shearing load due to moment in any rivet.)
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