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FAQ’s for Structural Design Jobs

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

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

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

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

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7. The statical method of plastic analysis satisfies

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

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9. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

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10. 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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11. 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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12. The allowable tensile stress in structural mild steel plates for steel tank is assumed as

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

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14. The minimum thickness of plates in a steel stack should be

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15. The external wind pressure acting on a roof depends on

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16. 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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17. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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18. Gantry girders are designed to resist

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19. 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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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. Horizontal stiffener in a plate girder is provided to safe guard against

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22. The slenderness ratio of lacing bars should not exceed

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23. Economical depth of a plate girder corresponds to

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24. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)

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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. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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27. The slenderness ratio of a column supported throughout its length by a masonry wall is

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28. As compared to field rivets, the shop rivets are

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

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30. Enlarged head of a supporting column of a flat slab is technically known as

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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 minimum thickness of s flat slab is taken

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34. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

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

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

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37. Which of the following is not the displacement method?

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38. Bending moment at any section in a conjugate beam gives in the actual beam

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

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40. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?

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41. 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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42. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be?

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

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44. 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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45. The sway bracing is designed to transfer

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

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47. Generally, the purlins are placed at the panel points so as to avoid

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48. The maximum permissible span of asbestos cement sheets is

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

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50. 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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