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FAQ’s for Structural Design Jobs

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1. Lug angles

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

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3. Which of the following conditions is to be satisfied both in elastic and plastic analysis?

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4. Other conditions being same, the load factor in indeterminate structures is

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5. Shape factor is a property which depends

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6. The least dimension in case of a circular column of diameter D is taken as

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7. 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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8. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as

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9. The allowable tensile stress in structural mild steel plates for steel tank is assumed as

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

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

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12. 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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13. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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14. The forces acting on the web splice of a plate girder are

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

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16. Economical depth of a plate girder corresponds to

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17. 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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18. The effective length of a battened column is increased by

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19. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

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

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21. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

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

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23. The effective length of a fillet weld should not be less than

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24. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is

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25. Select the correct statement

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26. If the thickness of plate to be connected by a rivet is 16mm, then suitable size of rivet as per Unwin’s formula will be

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27. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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

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

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30. 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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31. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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32. The steel generally used in R.C.C. work, is

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

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34. The minimum thickness of s flat slab is taken

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

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36. The width of the flange of a L-beam, should be less than

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

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

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39. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

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40. The three moments equation is applicable only when

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41. 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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42. If a concrete column 200×200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15Ec?

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43. 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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44. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?

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45. 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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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. 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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48. 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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49. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)

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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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