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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. Lug angles

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

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6. Which of the following conditions is to be satisfied both in elastic and plastic analysis?

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7. In case of timber structures, the form factor for solid circular cross-section 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. The bracing provided in the plane of end posts is called

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10. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

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11. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into

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

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

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

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15. Gantry girders are designed to resist

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16. The use of tie plates in laced columns is

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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. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

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19. The slenderness ratio of a column supported throughout its length by a masonry wall is

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

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

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

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23. If the thickness of plate to be connected by a rivet is 16mm, then suitable size of rivet as per Unwin’s formula will be

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24. 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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25. 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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26. If the size of a column is reduced above the floor, the main bars of the column, are

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

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28. As the percentage of steel increases

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

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30. The self-weight of the footing, is

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31. The nutral axis of a T-beam exists

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

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

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

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

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

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38. The three moments equation is applicable only when

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

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40. The carryover factor in a prismatic member whose far end is fixed is

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41. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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

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44. 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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45. 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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46. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

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

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

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