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FAQ’s for Structural Design Jobs

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1. In moment resistant connections, the moment resistance of riveted connection depends upon

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

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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 bracing provided in the plane of end posts is called

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

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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. Steel tanks are mainly designed for

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11. The risk coefficient k, depends on

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

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

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14. Economical depth of a plate girder corresponds to

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15. The effective length of a battened column is increased by

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

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17. The use of tie plates in laced columns is

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

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19. Select the correct statement

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20. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is

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

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

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23. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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

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

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26. The heaviest I-section for same depth is

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

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28. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

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29. In a simply supported slab, alternate bars are curtailed at

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30. The minimum thickness of s flat slab is taken

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

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

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33. 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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34. 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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35. The carryover factor in a prismatic member whose far end is fixed is

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36. 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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37. If the size of panel in a flat slab is 6m x 6m, then as per Indian standard code, the widths of column strip and middle strip are

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38. 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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39. In frame structure, what transfers the load to columns?

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40. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?

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41. 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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42. 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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43. 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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44. 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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45. The range of economical spacing of trusses varies from

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

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

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48. 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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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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