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FAQ’s for Structural Design Jobs

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1. For rivets in tension with counter-sunk heads, the tensile value shall be

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2. 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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3. The shape factor of an isosceles triangle for bending about the axis parallel to the base 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. Shape factor is a property which depends

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7. The least dimension in case of a circular column of diameter D is taken as

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

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

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

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

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

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

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

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16. Steel tanks are mainly designed for

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17. The risk coefficient k, depends on

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18. 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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19. The internal pressure coefficient on walls for buildings with large permeability is taken as

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20. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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

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22. The slenderness ratio of lacing bars should not exceed

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23. Lacing bars in a steel column should be designed to resist

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24. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

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25. The slenderness ratio of a column supported throughout its length by a masonry wall is

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

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27. Bolts are most suitable to carry

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

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29. 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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30. If the size of a column is reduced above the floor, the main bars of the column, are

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

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

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33. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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

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35. 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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36. 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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37. The width of the flange of a L-beam, should be less than

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38. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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

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40. When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that

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

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

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44. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?

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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. 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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47. 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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48. The range of economical spacing of trusses varies from

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

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