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. Lug angles
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3. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
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4. In the virtual work method, the virtual quantity 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 mechanism method of plastic analysis satisfies
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7. The moment-curvature relation at a plastic hinge is
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8. The mechanism method and the statical method give
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9. The elastic strain for steel is about
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10. In case of timber structures, the form factor for solid circular cross-section is taken as
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11. The bracing provided in the plane of end posts is called
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12. The capacity of the smallest pressed steel tank is
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13. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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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. 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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16. Horizontal stiffener in a plate girder is provided to safe guard against
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17. The use of tie plates in laced columns is
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18. The actual thickness of butt weld as compared to the thickness of plate is usually
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19. A butt weld is specified by
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20. In the cross-section of a weld, throat is the
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21. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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22. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)
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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. Which of the following types of riveted joint is free from bending stresses?
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25. Bending compressive and tensile stresses respectively are calculated based on
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26. The width of the flange of a T-beam should be less than
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27. With usual notations the depth of the neutral axis of a balanced section, is given by
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28. The effective width of a column strip of a flat slab, is
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29. 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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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 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. The maximum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of
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34. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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35. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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36. Which of the following methods of structural analysis is a force method?
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37. 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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38. Bending moment at any section in a conjugate beam gives in the actual beam
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39. The carryover factor in a prismatic member whose far end is fixed is
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40. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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41. In frame structure, what transfers the load to columns?
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42. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?
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43. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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44. The sway bracing is designed to transfer
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45. 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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46. 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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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. Horizontal stiffener in a plate girder is provided to safeguard against
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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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