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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. A steel beam supporting loads from the floor slab as well as from wall is termed as

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3. Lug angles

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4. 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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5. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

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6. In the virtual work method, the virtual quantity is

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7. The mechanism method of plastic analysis satisfies

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8. The elastic strain for steel is about

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9. compression force in two end posts The pin of a rocker bearing in a bridge is designed for

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10. 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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11. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into

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12. Bearing stiffener in a plate girder is used to

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13. 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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14. The web crippling due to excessive bearing stress can be avoided by

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15. The slenderness ratio of lacing bars should not exceed

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16. Economical depth of a plate girder corresponds to

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17. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

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18. The best arrangement to provide unified behavior inbuilt up steel columns is by

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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. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

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21. Select the correct statement

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22. Which of the following types of riveted joint is free from bending stresses?

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23. The minimum number of main steel bars provided in R.C.C.

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24. The width of the flange of a T-beam should be less than

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25. 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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26. The steel generally used in R.C.C. work, is

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27. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is

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28. 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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29. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

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30. 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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31. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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32. In the displacement method of structural analysis, the basic unknowns are

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33. 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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34. In the slope deflection equations, the deformations are considered to be caused by

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35. The carryover factor in a prismatic member whose far end is fixed is

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36. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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37. The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of ? (Where xu is the depth of natural axis at the limit state of collapse)

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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. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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40. 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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41. A truss containing j joints and m members, will be a simple truss if?

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42. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

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43. The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is?

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44. 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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45. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

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46. 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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47. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)

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48. 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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49. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)

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50. Which of the following types of riveted joint is free from bending stresses ?

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