FAQ’s for Structural Design Jobs
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1. 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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2. Shape factor is a property which depends
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3. The elastic strain for steel is about
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4. The least dimension in case of a circular column of diameter D is taken as
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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. The portal bracing in a truss bridge is used to
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7. Hudson’s formula gives the dead weight of a truss bridge as a function of
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8. 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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9. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into
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10. Which of the following sections should preferably be used at places where torsion occurs?
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11. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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12. The minimum thickness of plates in a steel stack should be
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13. The capacity of the smallest pressed steel tank is
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14. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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15. The risk coefficient k, depends on
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16. 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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17. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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18. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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19. The slenderness ratio of lacing bars should not exceed
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20. Economical depth of a plate girder corresponds to
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21. A circular column section is generally not used in actual practice because
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22. The actual thickness of butt weld as compared to the thickness of plate is usually
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23. Bolts are most suitable to carry
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24. As compared to field rivets, the shop rivets are
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25. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
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26. The heaviest I-section for same depth is
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27. If the size of a column is reduced above the floor, the main bars of the column, are
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28. An under-reinforced section means
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29. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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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 steel generally used in R.C.C. work, is
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32. On a circular slab of radius, the maximum radial moment at the center if the load on the slab in wkn/m2
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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 nutral axis of a T-beam exists
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35. In a pre-stressed member, it is advisable to use
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36. In the displacement method of structural analysis, the basic unknowns are
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37. Which of the following methods of structural analysis is a displacement method?
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38. Which of the following methods of structural analysis is a force method?
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39. 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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40. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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41. Normally in a truss structure, tension occurs at/for?
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42. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?
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43. The diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)
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44. 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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45. 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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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 maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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48. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)
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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. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
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