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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. 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. In the virtual work method, the virtual quantity is

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

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

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6. In case of timber structures, the simple bending formula M = fz may be applied for

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

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

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

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10. The risk coefficient k, depends on

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11. 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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12. Bearing stiffener in a plate girder is used to

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13. Gantry girders are designed to resist

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

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15. The slenderness ratio of lacing bars should not exceed

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

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

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

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19. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)

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

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

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22. Diameter of a bolt hole is usually taken as

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

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25. The effective width of a column strip of a flat slab, is

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26. As the percentage of steel increases

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

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28. The width of the rib of a T-beam , is generally kept between

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29. By over-reinforcing a beam, the moment of resistance can be increased not more than

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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. The minimum thickness of s flat slab is taken

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

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

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

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35. Which of the following methods of structural analysis is a displacement method?

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36. Which of the following methods of structural analysis is a force method?

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37. The maximum bending moment due to a train of wheel loads on a simply supported girder

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38. The carryover factor in a prismatic member whose far end is fixed is

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39. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

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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 rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?

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

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43. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?

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

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45. The maximum permissible span of asbestos cement sheets is

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46. 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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47. 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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48. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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49. Which of the following types of riveted joint is free from bending stresses ?

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50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

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