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. A steel beam supporting loads from the floor slab as well as from wall is termed as
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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. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
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5. Which of the following conditions is to be satisfied both in elastic and plastic analysis?
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6. The ratio of plastic section modulus to elastic section modulus
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7. The mechanism method of plastic analysis satisfies
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8. The moment-curvature relation at a plastic hinge is
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9. The mechanism method and the statical method give
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10. The portal bracing in a truss bridge is used to
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11. Area of openings for buildings of large permeability is more than
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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 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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15. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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16. Gantry girders are designed to resist
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17. The web crippling due to excessive bearing stress can be avoided by
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18. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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19. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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20. Bolts are most suitable to carry
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21. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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22. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is
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23. 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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24. 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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25. Bending compressive and tensile stresses respectively are calculated based on
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26. The heaviest I-section for same depth is
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27. The minimum number of main steel bars provided in R.C.C.
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28. If the size of a column is reduced above the floor, the main bars of the column, are
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29. An under-reinforced section means
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30. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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31. The nutral axis of a T-beam exists
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32. In a pre-stressed member, it is advisable to use
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33. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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34. In the displacement method of structural analysis, the basic unknowns are
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35. Which of the following methods of structural analysis is a force method?
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36. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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37. Bending moment at any section in a conjugate beam gives in the actual beam
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38. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
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39. In the slope deflection equations, the deformations are considered to be caused by
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40. The carryover factor in a prismatic member whose far end is fixed is
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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. 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 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. Normally in a truss structure, tension occurs at/for?
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46. In frame structure, what transfers the load to columns?
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47. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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48. The sway bracing is designed to transfer
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49. 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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50. 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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