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 allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)
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3. For rivets in tension with counter-sunk heads, the tensile value shall be
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4. Lug angles
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5. Which of the following conditions is to be satisfied both in elastic and plastic analysis?
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6. The ratio of plastic section modulus to elastic section modulus
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7. The mechanism method of plastic analysis satisfies
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8. Shape factor is a property which depends
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9. In case of timber structures, the simple bending formula M = fz may be applied for
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10. The portal bracing in a truss bridge is used to
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11. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of
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12. 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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13. Hudson’s formula gives the dead weight of a truss bridge as a function of
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14. 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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15. Which of the following sections should preferably be used at places where torsion occurs?
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16. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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17. The number of seismic zones in which the country has been divided are
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18. The minimum thickness of plates in a steel stack should be
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19. 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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20. The forces acting on the web splice of a plate girder are
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21. 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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22. 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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23. The web crippling due to excessive bearing stress can be avoided by
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24. Horizontal stiffener in a plate girder is provided to safe guard against
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25. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
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26. Lacing bars in a steel column should be designed to resist
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27. The best arrangement to provide unified behavior inbuilt up steel columns is by
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28. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
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29. The actual thickness of butt weld as compared to the thickness of plate is usually
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30. The effective length of a fillet weld should not be less than
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31. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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32. Bending compressive and tensile stresses respectively are calculated based on
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33. The heaviest I-section for same depth is
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34. The effective width of a column strip of a flat slab, is
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35. As the percentage of steel increases
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36. According to the steel beam theory of doubly reinforced beams
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37. 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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38. In a pre-stressed member, it is advisable to use
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39. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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40. Which of the following methods of structural analysis is a force method?
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41. Which of the following is not the displacement method?
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42. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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43. 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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44. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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45. 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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46. Normally, the angle of roof truss with asbestos sheets should not be less than
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47. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)
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48. Horizontal stiffener in a plate girder is provided to safeguard against
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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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