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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. For rivets in tension with counter-sunk heads, the tensile value shall be

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3. Lug angles

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

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7. The mechanism method of plastic analysis satisfies

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8. The statical method of plastic analysis satisfies

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9. In case of timber structures, the simple bending formula M = fz may be applied 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. Which of the following sections should preferably be used at places where torsion occurs?

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

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13. The bracing between two columns of a steel tank will be designed to resist

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14. Steel tanks are mainly designed for

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15. The risk coefficient k, 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. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds 9where t is thickness of web)

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18. 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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19. The slenderness ratio of lacing bars should not exceed

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20. 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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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 battened strut effectively held in position at both ends but not restrained in direction is taken as

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24. The actual thickness of butt weld as compared to the thickness of plate is usually

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25. A butt weld is specified by

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

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27. Select the correct statement

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28. Bolts are most suitable to carry

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29. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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30. If the size of a column is reduced above the floor, the main bars of the column, are

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

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

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

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35. 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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36. 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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37. 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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38. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

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

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40. 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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41. If the size of panel in a flat slab is 6m x 6m, then as per Indian standard code, the widths of column strip and middle strip are

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42. 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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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. Shell structure does not have any?

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45. The sway bracing is designed to transfer

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

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48. The range of economical spacing of trusses varies from

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49. Horizontal stiffener in a plate girder is provided to safeguard against

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50. 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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