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FAQ’s for Structural Design Jobs

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1. A steel beam supporting loads from the floor slab as well as from wall is termed as

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

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

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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 bracing provided in the plane of end posts is called

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

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

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

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

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13. Horizontal stiffener in a plate girder is provided to safe guard against

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

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

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

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17. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as

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

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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. The actual thickness of butt weld as compared to the thickness of plate is usually

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

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22. Diameter of a bolt hole is usually taken as

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

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24. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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

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

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27. An under-reinforced section means

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

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

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

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

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33. The self-weight of the footing, is

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

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

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

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38. 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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39. 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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40. Bending moment at any section in a conjugate beam gives in the actual beam

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

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42. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

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43. 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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44. 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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45. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?

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

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47. The range of economical spacing of trusses varies from

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

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49. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and F mis the shearing load due to moment in any rivet.)

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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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