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FAQ’s for Structural Design Jobs

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1. Pitch of tacking rivets, when double angles connected back-to-back and acting as tension members should not be more than

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

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

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

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

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7. The minimum thickness of plates in a steel stack should be

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8. Steel tanks are mainly designed for

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

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

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12. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)

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

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14. 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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15. A circular column section is generally not used in actual practice because

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16. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)

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

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18. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

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19. Select the correct statement

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20. Bolts are most suitable to carry

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

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

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

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

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

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26. The heaviest I-section for same depth is

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27. The minimum number of main steel bars provided in R.C.C.

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28. An under-reinforced section means

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

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30. 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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31. 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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32. The nutral axis of a T-beam exists

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33. 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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34. Which of the following methods of structural analysis is a displacement method?

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

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

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

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

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40. 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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41. 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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42. Normally in a truss structure, tension occurs at/for?

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43. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?

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

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

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