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FAQ’s for Structural Design Jobs

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

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

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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 minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

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5. Shape factor is a property which depends

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

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

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10. The minimum thickness of plates in a steel stack should be

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11. 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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12. Bearing stiffener in a plate girder is used to

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13. 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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14. The effective length of a battened column is increased by

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15. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

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

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

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18. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)

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19. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is

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

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

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

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24. According to the steel beam theory of doubly reinforced beams

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

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26. The self-weight of the footing, is

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

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

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29. Which of the following methods of structural analysis is a force method?

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30. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

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31. In the slope deflection equations, the deformations are considered to be caused by

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32. A truss containing j joints and m members, will be a simple truss if?

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33. 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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34. 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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35. 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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36. Which of the below is a disadvantage of frame structure?

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

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38. 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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39. 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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40. Generally, the purlins are placed at the panel points so as to avoid

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

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42. 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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43. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be

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44. The maximum permissible span of asbestos cement sheets is

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45. 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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46. The range of economical spacing of trusses varies from

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47. As per IS: 800, for compression flange, the out stand of flange plates should not exceed (where t = thickness of thinnest flange plate)

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48. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)

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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. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

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