FAQ’s for Structural Design Jobs
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1. 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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2. In the virtual work method, the virtual quantity is
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3. The moment-curvature relation at a plastic hinge is
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4. In case of timber structures, the form factor for solid circular cross-section is taken as
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5. In case of timber structures, the simple bending formula M = fz may be applied for
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6. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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7. 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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8. Hudson’s formula gives the dead weight of a truss bridge as a function of
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9. 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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10. The capacity of the smallest pressed steel tank is
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11. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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12. 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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13. The forces acting on the web splice of a plate girder are
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14. Gantry girders are designed to resist
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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. The effective length of a battened column is increased by
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17. Lacing bars in a steel column should be designed to resist
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18. The best arrangement to provide unified behavior inbuilt up steel columns is by
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19. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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20. 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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21. 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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22. A butt weld is specified by
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23. In the cross-section of a weld, throat is the
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24. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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25. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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26. As compared to field rivets, the shop rivets are
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27. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?
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28. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which
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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. The width of the flange of a T-beam should be less than
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31. The width of the rib of a T-beam , is generally kept between
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32. 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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33. The steel generally used in R.C.C. work, is
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34. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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35. In a simply supported slab, alternate bars are curtailed at
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36. The self-weight of the footing, is
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37. The minimum thickness of s flat slab is taken
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38. 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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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. A truss containing j joints and m members, will be a simple truss if?
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41. 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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42. Shell structure does not have any?
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43. 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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44. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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45. The sway bracing is designed to transfer
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46. Generally, the purlins are placed at the panel points so as to avoid
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47. The maximum permissible span of asbestos cement sheets is
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48. The range of economical spacing of trusses varies from
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49. 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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50. Horizontal stiffener in a plate girder is provided to safeguard against
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