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FAQ’s for Structural Design Jobs

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1. In moment resistant connections, the moment resistance of riveted connection depends upon

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2. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?

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3. 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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4. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)

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5. The moment-curvature relation at a plastic hinge is

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6. The mechanism method and the statical method give

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7. The bracing provided in the plane of end posts is called

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

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9. 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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10. Hudson’s formula gives the dead weight of a truss bridge as a function of

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

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

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13. The risk coefficient k, depends on

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

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16. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is

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17. Shear buckling of web in a plate girder is prevented by using

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18. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

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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. Select the correct statement

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21. Bolts are most suitable to carry

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22. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

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23. 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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24. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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25. 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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26. The heaviest I-section for same depth is

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

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

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30. The nutral axis of a T-beam exists

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31. In a pre-stressed member, it is advisable to use

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

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

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

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

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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. If a concrete column 200×200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15Ec?

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

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

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

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49. The range of economical spacing of trusses varies from

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50. Horizontal stiffener in a plate girder is provided to safeguard against

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