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FAQ’s for Structural Design Jobs

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1. 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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2. A steel beam supporting loads from the floor slab as well as from wall is termed as

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3. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)

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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. Other conditions being same, the load factor in indeterminate structures is

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6. The statical method of plastic analysis satisfies

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

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9. Area of openings for buildings of large permeability is more than

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10. The capacity of the smallest pressed steel tank is

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11. The external wind pressure acting on a roof depends on

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12. The risk coefficient k, depends on

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

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14. Bearing stiffener in a plate girder is used to

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

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

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18. The best arrangement to provide unified behavior inbuilt up steel columns is by

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

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

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22. Diameter of a bolt hole is usually taken as

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23. Bolts are most suitable to carry

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24. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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

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

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

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

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29. An under-reinforced section means

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30. The effective width of a column strip of a flat slab, is

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31. As the percentage of steel increases

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

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33. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept

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

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

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36. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is

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37. 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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38. The maximum bending moment due to a train of wheel loads on a simply supported girder

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

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40. 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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41. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

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42. 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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43. A cantilever of length is subjected to a bending moment at its free end If EI is the rigidity of the section, the deflection of the free end, is?

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

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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 relation between intensity of wind pressure p and velocity of wind V is taken as

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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 range of economical spacing of trusses varies from

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49. Horizontal stiffener in a plate girder is provided to safeguard against

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50. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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