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. Lug angles
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3. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)
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4. In the virtual work method, the virtual quantity is
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5. The mechanism method and the statical method give
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6. The elastic strain for steel is about
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7. The bracing provided in the plane of end posts is called
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8. The portal bracing in a truss bridge is used to
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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. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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11. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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12. The external wind pressure acting on a roof depends on
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13. The internal pressure coefficient on walls for buildings with large permeability is taken as
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14. The slenderness ratio of lacing bars should not exceed
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15. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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16. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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17. The best arrangement to provide unified behavior inbuilt up steel columns is by
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18. 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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19. A circular column section is generally not used in actual practice because
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20. A butt weld is specified by
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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. In the cross-section of a weld, throat is the
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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. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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25. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as
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26. If the size of a column is reduced above the floor, the main bars of the column, are
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27. An under-reinforced section means
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28. As the percentage of steel increases
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29. The width of the rib of a T-beam , is generally kept between
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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. 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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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 self-weight of the footing, is
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35. The nutral axis of a T-beam exists
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36. Which of the following methods of structural analysis is a displacement method?
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37. Which of the following is not the displacement method?
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38. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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39. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
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40. In the slope deflection equations, the deformations are considered to be caused by
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41. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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42. A truss containing j joints and m members, will be a simple truss if?
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43. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?
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44. 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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45. The sway bracing is designed to transfer
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46. 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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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. 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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49. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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50. 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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