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. For rivets in tension with counter-sunk heads, the tensile value shall be
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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. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
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5. The bracing provided in the plane of end posts is called
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6. The portal bracing in a truss bridge is used to
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7. 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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8. Hudson’s formula gives the dead weight of a truss bridge as a function of
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9. Which of the following sections should preferably be used at places where torsion occurs?
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10. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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11. Steel tanks are mainly designed for
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12. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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13. Bearing stiffener in a plate girder is used to
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14. The forces acting on the web splice of a plate girder are
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15. The web crippling due to excessive bearing stress can be avoided by
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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. 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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18. The use of tie plates in laced columns is
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19. 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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20. In the cross-section of a weld, throat is the
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21. Bolts are most suitable to carry
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22. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as
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23. The heaviest I-section for same depth is
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24. The minimum number of main steel bars provided in R.C.C.
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25. The width of the flange of a T-beam should be less than
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26. An under-reinforced section means
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27. The width of the rib of a T-beam , is generally kept between
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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. Enlarged head of a supporting column of a flat slab is technically known as
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30. 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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31. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by
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32. In a simply supported slab, alternate bars are curtailed at
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33. The nutral axis of a T-beam exists
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34. In a pre-stressed member, it is advisable to use
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35. Which of the following methods of structural analysis is a displacement method?
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36. The maximum bending moment due to a train of wheel loads on a simply supported girder
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37. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
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38. The carryover factor in a prismatic member whose far end is fixed is
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39. When shear stress exceeds the permissible limit in a slab, then it is reduced by
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40. A steel rod 1 meter long having square cross section is pulled under a tensile load of 8 tones the extension in the rod was 1 mm only. if E steel=2x106kg/cm2, the side of the rod, is
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41. 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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42. 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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43. Shell structure does not have any?
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44. In frame structure, what transfers the load to columns?
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45. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?
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46. 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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47. Generally, the purlins are placed at the panel points so as to avoid
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48. The relation between intensity of wind pressure p and velocity of wind V is taken as
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49. The maximum permissible span of asbestos cement sheets is
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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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