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. For rivets in tension with counter-sunk heads, the tensile value shall be
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3. Lug angles
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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. The ratio of plastic section modulus to elastic section modulus
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6. The mechanism method and the statical method give
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7. In case of timber structures, the form factor for solid circular cross-section is taken as
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8. The least dimension in case of a circular column of diameter D is taken as
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9. The portal bracing in a truss bridge is used to
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10. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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11. 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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12. 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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13. The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)
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14. Area of openings for buildings of large permeability is more than
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15. The minimum thickness of plates in a steel stack should be
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16. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)
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17. Bearing stiffener in a plate girder is used to
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18. Gantry girders are designed to resist
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19. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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20. As per IS: 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)
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21. Shear buckling of web in a plate girder is prevented by using
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22. Economical depth of a plate girder corresponds to
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23. The use of tie plates in laced columns is
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24. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between
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25. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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26. A butt weld is specified by
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27. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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28. The effective length of a fillet weld should not be less than
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29. Bolts are most suitable to carry
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30. 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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31. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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32. As the percentage of steel increases
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33. The width of the rib of a T-beam , is generally kept between
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34. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to
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35. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
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36. 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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37. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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38. In a simply supported slab, alternate bars are curtailed at
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39. In a pre-stressed member, it is advisable to use
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40. Which of the following is not the displacement method?
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41. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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42. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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43. A truss containing j joints and m members, will be a simple truss if?
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44. 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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45. Shell structure does not have any?
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46. One of the criteria for the effective width of flange of T-beam is bf =-+bw+6Df6 in above formula, lo signifies?
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47. The diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)
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48. 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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49. Normally, the angle of roof truss with asbestos sheets should not be less than
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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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