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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. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

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3. Load factor is

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

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

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

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

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

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11. Area of openings for buildings of large permeability is more than

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

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

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14. The risk coefficient k, depends on

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

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

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

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19. Gantry girders are designed to resist

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20. As per IS: 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)

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

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22. Shear buckling of web in a plate girder is prevented by using

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23. The slenderness ratio of lacing bars should not exceed

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24. 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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25. The use of tie plates in laced columns is

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

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

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

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29. Select the correct statement

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30. As compared to field rivets, the shop rivets are

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31. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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32. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

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33. Effective depth and depth of the neutral axis respectively of a singly reinforced?

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

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35. 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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36. The minimum thickness of s flat slab is taken

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37. 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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38. Which of the following is not the displacement method?

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

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

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

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42. 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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43. 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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44. If a concrete column 200×200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15Ec?

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45. 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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46. 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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47. The sway bracing is designed to transfer

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48. 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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49. For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)

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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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