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FAQ’s for Structural Design Jobs

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

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2. Load factor is

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3. The ratio of plastic section modulus to elastic section modulus

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4. The statical method of plastic analysis satisfies

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5. The least dimension in case of a circular column of diameter D is taken as

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

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

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8. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as

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

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10. The capacity of the smallest pressed steel tank is

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11. The external wind pressure acting on a roof depends on

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

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14. 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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15. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is

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

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

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19. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is

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20. 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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21. 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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22. Which of the following types of riveted joint is free from bending stresses?

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23. 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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24. The heaviest I-section for same depth is

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25. As the percentage of steel increases

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

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27. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

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

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

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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. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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

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34. Which of the following methods of structural analysis is a force method?

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35. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

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

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38. 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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39. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?

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40. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be?

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41. Shell structure does not have any?

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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. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?

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44. 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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45. 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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46. 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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47. The maximum spacing of vertical stiffeners is (where d is the distance between flange angles)

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48. 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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49. 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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50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

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