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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. Load factor is

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5. Shape factor is a property which depends

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

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

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

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

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

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

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

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13. Gantry girders are designed to resist

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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 web crippling due to excessive bearing stress can be avoided by

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

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

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

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

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23. The heaviest I-section for same depth is

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

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25. With usual notations the depth of the neutral axis of a balanced section, is given by

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26. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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27. The steel generally used in R.C.C. work, is

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

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30. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

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31. In the displacement method of structural analysis, the basic unknowns are

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

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

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35. 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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36. 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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37. If a concrete column 200×200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15Ec?

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38. 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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39. 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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40. 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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41. In frame structure, what transfers the load to columns?

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

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

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44. Normally, the angle of roof truss with asbestos sheets should not be less than

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45. The maximum permissible span of asbestos cement sheets 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 range of economical spacing of trusses varies from

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

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

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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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