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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. Lug angles

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3. 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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4. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

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

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6. The elastic strain for steel is about

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

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

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

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

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13. The forces acting on the web splice of a plate girder are

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14. 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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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 slenderness ratio of lacing bars should not exceed

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

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19. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

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20. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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21. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as

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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. A circular column section is generally not used in actual practice because

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24. The effective length of a fillet weld should not be less than

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

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26. Bending compressive and tensile stresses respectively are calculated based on

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27. The minimum number of main steel bars provided in R.C.C.

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

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29. With usual notations the depth of the neutral axis of a balanced section, is given by

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

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31. Enlarged head of a supporting column of a flat slab is technically known as

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32. The nutral axis of a T-beam exists

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

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

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

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36. 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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37. Bending moment at any section in a conjugate beam gives in the actual beam

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38. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

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39. According to IS codes recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

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40. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?

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41. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?

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42. Shell structure does not have any?

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43. 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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44. 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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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. 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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47. Normally, the angle of roof truss with asbestos sheets should not be less than

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48. 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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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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