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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. Lug angles

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

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

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

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9. The number of seismic zones in which the country has been divided are

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10. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

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11. The external wind pressure acting on a roof depends on

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

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13. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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

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15. Bearing stiffeners are provided at i) the supports, ii) the mid span, iii) the point of application of concentrated loads. The correct answer is

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

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17. The slenderness ratio of lacing bars should not exceed

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18. Economical depth of a plate girder corresponds to

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19. Lacing bars in a steel column should be designed to resist

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20. Bolts are most suitable to carry

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21. 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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22. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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

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28. 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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29. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

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30. 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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31. Which of the following methods of structural analysis is a displacement method?

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32. 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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33. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

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34. 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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35. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

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36. The carryover factor in a prismatic member whose far end is fixed is

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

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

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

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42. The sway bracing is designed to transfer

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43. 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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44. Generally, the purlins are placed at the panel points so as to avoid

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45. The relation between intensity of wind pressure p and velocity of wind V is taken as

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46. The maximum permissible span of asbestos cement sheets is

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47. 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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48. Horizontal stiffener in a plate girder is provided to safeguard against

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49. 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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50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

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