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FAQ’s for Structural Design Jobs

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1. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

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

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3. The statical method of plastic analysis satisfies

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

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

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

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

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

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12. The risk coefficient k, depends on

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13. The forces acting on the web splice of a plate girder are

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14. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds 9where t is thickness of web)

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15. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)

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16. The effective length of a battened column is increased by

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17. The use of tie plates in laced columns is

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18. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

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19. The best arrangement to provide unified behavior inbuilt up steel columns is by

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

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

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22. 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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23. A circular column section is generally not used in actual practice because

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

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

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26. As compared to field rivets, the shop rivets are

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

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28. The width of the rib of a T-beam , is generally kept between

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

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

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32. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept

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

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34. The self-weight of the footing, is

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35. The nutral axis of a T-beam exists

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36. The minimum thickness of s flat slab is taken

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

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38. Which of the following is not the displacement method?

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

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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. A truss containing j joints and m members, will be a simple truss if?

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42. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?

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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. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)

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46. 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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47. The range of economical spacing of trusses varies from

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

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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. 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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