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FAQ’s for Structural Design Jobs

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1. A steel beam supporting loads from the floor slab as well as from wall is termed as

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2. 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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3. In the virtual work method, the virtual quantity is

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4. Other conditions being same, the load factor in indeterminate structures is

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5. In case of timber structures, the form factor for solid circular cross-section is taken as

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6. In case of timber structures, the simple bending formula M = fz may be applied for

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7. The effect of racking forces is considered in the design of i) lateral braces, ii) chord members. The correct answer is

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8. 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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9. Which of the following sections should preferably be used at places where torsion occurs?

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10. The allowable tensile stress in structural mild steel plates for steel tank is assumed as

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11. Area of openings for buildings of large permeability is more than

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12. The internal pressure coefficient on walls for buildings with large permeability is taken as

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13. Gantry girders are designed to resist

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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 maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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18. 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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19. A circular column section is generally not used in actual practice because

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20. A butt weld is specified by

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21. The effective length of a fillet weld should not be less than

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22. In the cross-section of a weld, throat is the

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23. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is

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24. Bolts are most suitable to carry

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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. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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28. Bending compressive and tensile stresses respectively are calculated based on

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29. According to the steel beam theory of doubly reinforced beams

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30. In a simply supported slab, alternate bars are curtailed at

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31. The self-weight of the footing, is

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32. The nutral axis of a T-beam exists

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33. In a pre-stressed member, it is advisable to use

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34. The maximum bending moment due to a train of wheel loads on a simply supported girder

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35. 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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36. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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37. 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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38. If the size of panel in a flat slab is 6m x 6m, then as per Indian standard code, the widths of column strip and middle strip are

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39. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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40. 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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41. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?

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42. 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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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 cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?

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45. One of the criteria for the effective width of flange of T-beam is bf =-+bw+6Df6 in above formula, lo signifies?

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46. The sway bracing is designed to transfer

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47. The range of economical spacing of trusses varies from

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48. 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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49. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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50. Which of the following types of riveted joint is free from bending stresses ?

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