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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. 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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3. A steel beam supporting loads from the floor slab as well as from wall is termed as

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

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

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

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8. The statical method of plastic analysis satisfies

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9. The mechanism method and the statical method give

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10. Shape factor is a property which depends

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

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12. 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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13. 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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14. Hudson’s formula gives the dead weight of a truss bridge as a function of

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

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

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17. The internal pressure coefficient on walls for buildings with large permeability is taken as

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18. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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

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20. 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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21. The web crippling due to excessive bearing stress can be avoided by

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22. Horizontal stiffener in a plate girder is provided to safe guard against

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

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24. The use of tie plates in laced columns is

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

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

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

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

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30. In the cross-section of a weld, throat is the

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

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

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

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34. The heaviest I-section for same depth is

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

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36. According to the steel beam theory of doubly reinforced beams

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

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38. In the displacement method of structural analysis, the basic unknowns are

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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. 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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41. 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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42. Which of the below is a disadvantage of frame structure?

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

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44. The sway bracing is designed to transfer

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

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48. The maximum permissible span of asbestos cement sheets is

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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. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)

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