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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. The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)

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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. In the virtual work method, the virtual quantity is

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5. Which of the following conditions is to be satisfied both in elastic and plastic analysis?

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6. The ratio of plastic section modulus to elastic section modulus

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7. The moment-curvature relation at a plastic hinge is

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8. Shape factor is a property which depends

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

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10. compression force in two end posts The pin of a rocker bearing in a bridge is designed for

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11. The bracing provided in the plane of end posts is called

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12. 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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13. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into

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

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15. The capacity of the smallest pressed steel tank is

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16. Steel tanks are mainly designed for

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17. 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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18. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)

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19. Gantry girders are designed to resist

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20. The web crippling due to excessive bearing stress can be avoided by

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21. Horizontal stiffener in a plate girder is provided to safe guard against

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22. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is

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23. The slenderness ratio of a column supported throughout its length by a masonry wall is

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24. The actual thickness of butt weld as compared to the thickness of plate is usually

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

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26. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)

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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. The heaviest I-section for same depth is

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29. Effective depth and depth of the neutral axis respectively of a singly reinforced?

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30. An under-reinforced section means

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31. By over-reinforcing a beam, the moment of resistance can be increased not more than

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32. The self-weight of the footing, is

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33. The minimum thickness of s flat slab is taken

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34. The maximum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

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35. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

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36. 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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37. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

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

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39. 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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40. 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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41. Normally in a truss structure, tension occurs at/for?

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42. In frame structure, what transfers the load to columns?

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

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44. 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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45. 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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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 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. 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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