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. A steel beam supporting loads from the floor slab as well as from wall is termed as
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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 mechanism method and the statical method give
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8. The elastic strain for steel is about
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9. In case of timber structures, the form factor for solid circular cross-section is taken as
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10. In case of timber structures, the simple bending formula M = fz may be applied for
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11. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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12. Hudson’s formula gives the dead weight of a truss bridge as a function of
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13. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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14. The number of seismic zones in which the country has been divided are
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15. The minimum thickness of plates in a steel stack should be
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16. The internal pressure coefficient on walls for buildings with large permeability is taken as
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17. The best arrangement to provide unified behavior inbuilt up steel columns is by
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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. The slenderness ratio of a column supported throughout its length by a masonry wall is
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20. A circular column section is generally not used in actual practice because
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21. A butt weld is specified by
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22. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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23. Bolts are most suitable to carry
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24. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?
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25. 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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26. Which of the following types of riveted joint is free from bending stresses?
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27. The heaviest I-section for same depth is
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28. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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29. An under-reinforced section means
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30. With usual notations the depth of the neutral axis of a balanced section, is given by
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31. According to the steel beam theory of doubly reinforced beams
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32. The width of the rib of a T-beam , is generally kept between
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33. In a simply supported slab, alternate bars are curtailed at
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34. The nutral axis of a T-beam exists
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35. In a pre-stressed member, it is advisable to use
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36. In the displacement method of structural analysis, the basic unknowns are
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37. 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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38. 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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39. The carryover factor in a prismatic member whose far end is fixed is
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40. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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41. A truss containing j joints and m members, will be a simple truss if?
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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 cantilever of length is subjected to a bending moment at its free end If EI is the rigidity of the section, the deflection of the free end, is?
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44. Shell structure does not have any?
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45. In frame structure, what transfers the load to columns?
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46. 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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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 maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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50. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet
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