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FAQ’s for Structural Design Jobs

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1. 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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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. The mechanism method of plastic analysis satisfies

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5. The statical method of plastic analysis satisfies

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6. The mechanism method and the statical method give

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7. The least dimension in case of a circular column of diameter D is taken as

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8. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

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9. 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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10. Hudson’s formula gives the dead weight of a truss bridge as a function of

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

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

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13. Gantry girders are designed to resist

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14. 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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15. Shear buckling of web in a plate girder is prevented by using

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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. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

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18. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

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19. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as

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

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

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23. Diameter of a bolt hole is usually taken as

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24. Select the correct statement

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25. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

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

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

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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. The width of the flange of a T-beam should be less than

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31. 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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32. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is

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33. Enlarged head of a supporting column of a flat slab is technically known as

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

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35. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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36. Which of the following methods of structural analysis is a force method?

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

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

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41. Bending moment at any section in a conjugate beam gives in the actual beam

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42. The three moments equation is applicable only when

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

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

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45. 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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46. Which of the below is a disadvantage of frame structure?

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47. 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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48. The maximum permissible span of asbestos cement sheets is

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

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

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