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FAQ’s for Structural Design Jobs

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

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2. 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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3. 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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4. Load factor is

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5. The mechanism method of plastic analysis satisfies

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6. The statical method of plastic analysis satisfies

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

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8. 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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9. Area of openings for buildings of large permeability is more than

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10. The risk coefficient k, depends on

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

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13. 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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14. Economical depth of a plate girder corresponds to

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

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

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17. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as

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18. A butt weld is specified by

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19. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

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20. Diameter of a bolt hole is usually taken as

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

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

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23. An under-reinforced section means

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

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

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

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27. The maximum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

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

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29. Which of the following methods of structural analysis is a displacement method?

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

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31. 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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32. 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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33. The maximum bending moment due to a train of wheel loads on a simply supported girder

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

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35. The three moments equation is applicable only when

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36. The carryover factor in a prismatic member whose far end is fixed is

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37. 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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38. 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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39. Shell structure does not have any?

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

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

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42. 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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43. 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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44. 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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45. 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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46. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be

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47. Normally, the angle of roof truss with asbestos sheets should not be less than

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

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49. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and F mis the shearing load due to moment in any rivet.)

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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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