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FAQ’s for Structural Design Jobs

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1. 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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2. In the virtual work method, the virtual quantity is

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3. Load factor is

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4. The mechanism method of plastic analysis satisfies

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5. The mechanism method and the statical method give

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6. Shape factor is a property which depends

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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 diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)

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9. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

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

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12. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)

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13. 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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14. 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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15. Economical depth of a plate girder corresponds to

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

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

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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. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

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20. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which

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

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22. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

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

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25. An under-reinforced section means

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

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

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28. As the percentage of steel increases

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29. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is

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

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

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35. 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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36. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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37. 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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38. 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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39. Normally in a truss structure, tension occurs at/for?

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

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41. 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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42. 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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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. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

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

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46. 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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47. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)

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48. The range of economical spacing of trusses varies from

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

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