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FAQ’s for Structural Design Jobs

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1. Pitch of tacking rivets, when double angles connected back-to-back and acting as tension members should not be more than

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

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4. The statical method of plastic analysis satisfies

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5. The mechanism method and the statical method give

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6. The elastic strain for steel is about

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7. 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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8. Which of the following sections should preferably be used at places where torsion occurs?

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9. The allowable tensile stress in structural mild steel plates for steel tank is assumed as

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

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

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12. The bracing between two columns of a steel tank will be designed to resist

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

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14. 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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15. Bearing stiffener in a plate girder is used to

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16. Economical depth of a plate girder corresponds to

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17. The use of tie plates in laced columns is

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

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

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

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

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22. A circular column section is generally not used in actual practice because

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

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

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

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

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

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29. By over-reinforcing a beam, the moment of resistance can be increased not more than

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30. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

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

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32. The minimum thickness of s flat slab is taken

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

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34. The maximum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

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

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

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

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

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

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

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43. Generally, the purlins are placed at the panel points so as to avoid

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

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

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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. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)

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

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