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FAQ’s for Structural Design Jobs

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1. 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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2. Shape factor is a property which depends

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

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

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5. 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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6. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into

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7. Which of the following sections should preferably be used at places where torsion occurs?

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

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9. The minimum thickness of plates in a steel stack should be

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

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11. The capacity of the smallest pressed steel tank is

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12. The risk coefficient k, depends on

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13. Bearing stiffener in a plate girder is used to

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14. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)

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15. The effective length of a battened column is increased by

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16. The use of tie plates in laced columns is

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17. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

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18. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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19. 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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20. A butt weld is specified by

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

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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. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is

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

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

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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. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which

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

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29. As the percentage of steel increases

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30. 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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31. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept

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

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33. The minimum thickness of s flat slab is taken

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34. 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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35. The width of the flange of a L-beam, should be less than

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36. 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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37. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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38. The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of ? (Where xu is the depth of natural axis at the limit state of collapse)

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39. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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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 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. Normally in a truss structure, tension occurs at/for?

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

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47. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?

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

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

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50. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and F mis the shearing load due to moment in any rivet.)

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