FAQ’s for Structural Design Jobs
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1. For rivets in tension with counter-sunk heads, the tensile value shall be
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2. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
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3. Other conditions being same, the load factor in indeterminate structures is
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4. Load factor is
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5. The mechanism method of plastic analysis satisfies
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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. The portal bracing in a truss bridge is used to
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8. 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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9. 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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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 bracing between two columns of a steel tank will be designed to resist
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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. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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16. The web crippling due to excessive bearing stress can be avoided by
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17. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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18. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
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19. The slenderness ratio of a column supported throughout its length by a masonry wall is
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20. In the cross-section of a weld, throat is the
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21. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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22. Bolts are most suitable to carry
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23. As compared to field rivets, the shop rivets are
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24. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?
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25. 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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26. 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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27. Which of the following types of riveted joint is free from bending stresses?
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28. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate
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29. Bending compressive and tensile stresses respectively are calculated based on
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30. The heaviest I-section for same depth is
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31. As the percentage of steel increases
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32. The width of the rib of a T-beam , is generally kept between
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33. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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34. The steel generally used in R.C.C. work, is
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35. 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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36. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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37. The minimum thickness of s flat slab is taken
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38. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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39. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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40. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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41. 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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42. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?
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43. 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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44. In frame structure, what transfers the load to columns?
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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. 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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47. 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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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. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
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