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FAQ’s for Structural Design Jobs

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1. The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)

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2. Load factor is

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3. The statical method of plastic analysis satisfies

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4. The mechanism method and the statical method give

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5. Shape factor is a property which depends

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6. The elastic strain for steel is about

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

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

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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. The internal pressure coefficient on walls for buildings with large permeability is taken as

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13. The forces acting on the web splice of a plate girder are

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14. 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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15. The slenderness ratio of lacing bars should not exceed

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16. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)

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

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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. According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as

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

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

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

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23. The heaviest I-section for same depth is

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

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

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26. As the percentage of steel increases

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

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28. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

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29. The steel generally used in R.C.C. work, is

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

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31. Enlarged head of a supporting column of a flat slab is technically known as

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32. The minimum thickness of s flat slab is taken

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

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

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40. The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of ? (Where xu is the depth of natural axis at the limit state of collapse)

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41. Shell structure does not have any?

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42. Normally in a truss structure, tension occurs at/for?

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

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

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

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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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