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. For rivets in tension with counter-sunk heads, the tensile value shall be
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4. Lug angles
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5. In the virtual work method, the virtual quantity is
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6. Load factor is
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7. The moment-curvature relation at a plastic hinge is
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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 least dimension in case of a circular column of diameter D is taken as
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11. 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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12. 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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13. Which of the following sections should preferably be used at places where torsion occurs?
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14. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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15. The external wind pressure acting on a roof depends on
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16. The internal pressure coefficient on walls for buildings with large permeability is taken as
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17. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)
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18. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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19. Shear buckling of web in a plate girder is prevented by using
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20. The use of tie plates in laced columns is
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21. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
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22. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
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23. For a standard 45° fillet, the ratio of size of fillet to throat thickness is
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24. Diameter of a bolt hole is usually taken as
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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. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
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27. Bending compressive and tensile stresses respectively are calculated based on
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28. The heaviest I-section for same depth is
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29. According to the steel beam theory of doubly reinforced beams
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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. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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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. In a simply supported slab, alternate bars are curtailed at
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35. The nutral axis of a T-beam exists
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36. The minimum thickness of s flat slab is taken
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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, 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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40. 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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41. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?
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42. 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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43. 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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44. Normally in a truss structure, tension occurs at/for?
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45. The sway bracing is designed to transfer
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46. 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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47. Normally, the angle of roof truss with asbestos sheets should not be less than
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48. As per IS: 800, for compression flange, the out stand of flange plates should not exceed (where t = thickness of thinnest flange plate)
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49. Horizontal stiffener in a plate girder is provided to safeguard against
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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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