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FAQ’s for Structural Design Jobs

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1. In moment resistant connections, the moment resistance of riveted connection depends upon

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2. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)

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

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

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5. The mechanism method and the statical method give

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6. In case of timber structures, the form factor for solid circular cross-section is taken as

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

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

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9. 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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10. Hudson’s formula gives the dead weight of a truss bridge as a function of

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

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12. The risk coefficient k, depends on

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

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15. Lacing bars in a steel column should be designed to resist

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

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

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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. 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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20. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

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21. Diameter of a bolt hole is usually taken as

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22. Bolts are most suitable to carry

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

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25. 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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26. The steel generally used in R.C.C. work, is

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27. 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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28. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept

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29. The nutral axis of a T-beam exists

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

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

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

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33. 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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34. 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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35. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

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

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

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

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39. A steel rod 1 meter long having square cross section is pulled under a tensile load of 8 tones the extension in the rod was 1 mm only. if E steel=2x106kg/cm2, the side of the rod, is

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

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41. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

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42. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is?

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43. 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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44. 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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45. 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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46. 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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47. Normally, the angle of roof truss with asbestos sheets should not be less than

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48. The maximum permissible span of asbestos cement sheets is

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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. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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