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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. In moment resistant connections, the moment resistance of riveted connection depends upon

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3. Load factor is

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4. The ratio of plastic section modulus to elastic section modulus

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5. The moment-curvature relation at a plastic hinge is

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6. In case of timber structures, the form factor for solid circular cross-section is taken as

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7. The portal bracing in a truss bridge is used to

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8. 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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9. 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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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. Which of the following sections should preferably be used at places where torsion occurs?

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12. The number of seismic zones in which the country has been divided are

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13. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

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14. The risk coefficient k, depends on

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15. 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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16. The slenderness ratio of lacing bars should not exceed

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17. Economical depth of a plate girder corresponds to

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18. Lacing bars in a steel column should be designed to resist

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19. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) 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. A butt weld is specified by

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22. Diameter of a bolt hole is usually taken as

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

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25. With usual notations the depth of the neutral axis of a balanced section, is given by

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26. The effective width of a column strip of a flat slab, is

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27. According to the steel beam theory of doubly reinforced beams

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

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

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32. In a simply supported slab, alternate bars are curtailed at

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33. The self-weight of the footing, is

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34. In a pre-stressed member, it is advisable to use

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35. Which of the following methods of structural analysis is a force method?

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36. 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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37. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

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38. A single rolling load of 8 kN rolls alone a girder of 15 m span. the absolute maximum bending moment will be

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39. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

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40. The three moments equation is applicable only when

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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. 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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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. Which of the below is a disadvantage of frame structure?

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45. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?

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46. 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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47. The relation between intensity of wind pressure p and velocity of wind V is taken as

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48. 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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49. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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

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