FAQ’s for Structural Design Jobs
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1. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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2. In the virtual work method, the virtual quantity is
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3. The moment-curvature relation at a plastic hinge is
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4. The mechanism method and the statical method give
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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. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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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. Which of the following sections should preferably be used at places where torsion occurs?
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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. The bracing between two columns of a steel tank will be designed to resist
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12. The capacity of the smallest pressed steel tank is
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13. Steel tanks are mainly designed for
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14. 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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15. Horizontal stiffener in a plate girder is provided to safe guard against
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16. The slenderness ratio of lacing bars should not exceed
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17. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
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18. A circular column section is generally not used in actual practice because
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19. The actual thickness of butt weld as compared to the thickness of plate is usually
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20. In the cross-section of a weld, throat is the
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21. Diameter of a bolt hole is usually taken as
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22. 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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23. 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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24. The heaviest I-section for same depth is
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25. An under-reinforced section means
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26. With usual notations the depth of the neutral axis of a balanced section, is given by
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27. As the percentage of steel increases
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28. By over-reinforcing a beam, the moment of resistance can be increased not more than
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29. 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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30. Enlarged head of a supporting column of a flat slab is technically known as
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31. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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32. In a simply supported slab, alternate bars are curtailed at
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33. The self-weight of the footing, is
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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. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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37. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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38. In the displacement method of structural analysis, the basic unknowns are
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39. Bending moment at any section in a conjugate beam gives in the actual beam
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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. A truss containing j joints and m members, will be a simple truss if?
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42. 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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43. 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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44. Shell structure does not have any?
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45. Normally in a truss structure, tension occurs at/for?
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46. The sway bracing is designed to transfer
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47. 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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48. Normally, the angle of roof truss with asbestos sheets should not be less than
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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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