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. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (where, t = the web thickness in mm, h = the outstand of stiffener in mm)
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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 ratio of plastic section modulus to elastic section modulus
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5. The statical method of plastic analysis satisfies
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6. The elastic strain for steel is about
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7. 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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8. If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called
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9. 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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10. The slenderness ratio of lacing bars should not exceed
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11. The use of tie plates in laced columns is
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12. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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13. The best arrangement to provide unified behavior inbuilt up steel columns is by
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14. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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15. The slenderness ratio of a column supported throughout its length by a masonry wall is
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16. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)
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17. The effective length of a fillet weld should not be less than
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18. In the cross-section of a weld, throat is the
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19. Diameter of a bolt hole is usually taken as
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20. Select the correct statement
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21. As compared to field rivets, the shop rivets are
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22. 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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23. Bending compressive and tensile stresses respectively are calculated based on
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24. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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25. The width of the flange of a T-beam should be less than
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26. The width of the rib of a T-beam , is generally kept between
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27. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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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. Enlarged head of a supporting column of a flat slab is technically known as
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30. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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31. The self-weight of the footing, is
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32. The width of the flange of a L-beam, should be less than
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33. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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34. Which of the following is not the displacement method?
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35. When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that
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36. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
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37. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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38. According to IS codes recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
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39. A steel rod 1 meter long having square cross section is pulled under a tensile load of 8 tones the extension in the rod was 1 mm only. if E steel=2x106kg/cm2, the side of the rod, is
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40. 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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41. 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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42. Shell structure does not have any?
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43. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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44. 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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45. Generally, the purlins are placed at the panel points so as to avoid
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46. The relation between intensity of wind pressure p and velocity of wind V is taken as
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47. Normally, the angle of roof truss with asbestos sheets should not be less than
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48. The maximum permissible span of asbestos cement sheets is
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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. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is
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