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FAQ’s for Structural Design Jobs

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1. 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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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. In the virtual work method, the virtual quantity is

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

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6. In case of timber structures, the form factor for solid circular cross-section is taken as

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

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

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13. Bearing stiffener in a plate girder is used to

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14. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is

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15. Shear buckling of web in a plate girder is prevented by using

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

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17. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

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18. 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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19. 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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20. A butt weld is specified by

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

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22. Diameter of a bolt hole is usually taken as

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23. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)

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

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

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26. The heaviest I-section for same depth is

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

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

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

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

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

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32. The nutral axis of a T-beam exists

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

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34. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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

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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. 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. A truss containing j joints and m members, will be a simple truss if?

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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. 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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44. 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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45. In frame structure, what transfers the load to columns?

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

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

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

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49. The relation between intensity of wind pressure p and velocity of wind V is taken as

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50. Which of the following types of riveted joint is free from bending stresses ?

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