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

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

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

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5. The elastic strain for steel is about

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

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

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8. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

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9. 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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10. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as

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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. The number of seismic zones in which the country has been divided are

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

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

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16. Bearing stiffener in a plate girder is used to

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17. Gantry girders are designed to resist

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18. Bearing stiffeners are provided at i) the supports, ii) the mid span, iii) the point of application of concentrated loads. The correct answer is

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19. The use of tie plates in laced columns is

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

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

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

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24. Select the correct statement

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

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26. 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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27. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

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28. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

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29. The heaviest I-section for same depth is

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

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31. The steel generally used in R.C.C. work, is

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32. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

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

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34. In a simply supported slab, alternate bars are curtailed at

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35. The minimum thickness of s flat slab is taken

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36. 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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37. The width of the flange of a L-beam, should be less than

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

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39. Which of the following is not the displacement method?

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40. 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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41. 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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42. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

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43. 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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44. 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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45. 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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46. 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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47. The sway bracing is designed to transfer

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

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50. The range of economical spacing of trusses varies from

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