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 minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:
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3. The statical method of plastic analysis satisfies
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4. The moment-curvature relation at a plastic hinge is
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5. In case of timber structures, the simple bending formula M = fz may be applied for
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6. The bracing provided in the plane of end posts is called
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7. 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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8. 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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9. Hudson’s formula gives the dead weight of a truss bridge as a function of
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10. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into
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11. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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12. Area of openings for buildings of large permeability is more than
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13. The risk coefficient k, depends on
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14. The internal pressure coefficient on walls for buildings with large permeability is taken as
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15. The forces acting on the web splice of a plate girder are
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16. Gantry girders are designed to resist
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17. 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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18. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
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19. Lacing bars in a steel column should be designed to resist
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20. The best arrangement to provide unified behavior inbuilt up steel columns is by
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21. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be
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22. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as
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23. The actual thickness of butt weld as compared to the thickness of plate is usually
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24. In the cross-section of a weld, throat is the
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25. Select the correct statement
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26. Bolts are most suitable to carry
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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. 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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29. Bending compressive and tensile stresses respectively are calculated based on
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30. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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31. With usual notations the depth of the neutral axis of a balanced section, is given by
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32. According to the steel beam theory of doubly reinforced beams
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33. 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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34. By over-reinforcing a beam, the moment of resistance can be increased not more than
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35. 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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36. The width of the flange of a L-beam, should be less than
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37. Which of the following methods of structural analysis is a displacement method?
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38. Which of the following is not the displacement method?
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39. 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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40. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always
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41. If the size of panel in a flat slab is 6m x 6m, then as per Indian standard code, the widths of column strip and middle strip are
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42. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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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. One of the criteria for the effective width of flange of T-beam is bf =-+bw+6Df6 in above formula, lo signifies?
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45. 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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46. 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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47. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)
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48. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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49. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet
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50. Which of the following types of riveted joint is free from bending stresses ?
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