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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. 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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4. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)

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

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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 mechanism method and the statical method give

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9. Shape factor is a property which depends

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

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

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

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

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

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

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19. A circular column section is generally not used in actual practice because

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20. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)

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

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

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23. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is

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

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25. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

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

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27. Effective depth and depth of the neutral axis respectively of a singly reinforced?

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28. An under-reinforced section means

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

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35. The self-weight of the footing, is

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36. The nutral axis of a T-beam exists

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37. The minimum thickness of s flat slab is taken

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

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

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41. 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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42. 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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43. 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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44. 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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45. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?

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46. Shell structure does not have any?

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47. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)

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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. The range of economical spacing of trusses varies from

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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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