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FAQ’s for Structural Design Jobs

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1. Lug angles

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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. In the virtual work method, the virtual quantity is

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4. Other conditions being same, the load factor in indeterminate structures is

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5. The mechanism method of plastic analysis satisfies

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6. The moment-curvature relation at a plastic hinge is

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

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

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10. The risk coefficient k, depends on

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11. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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12. 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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13. The web crippling due to excessive bearing stress can be avoided by

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14. The slenderness ratio of lacing bars should not exceed

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

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16. The use of tie plates in laced columns is

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

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19. 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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20. 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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21. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

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22. 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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23. Bending compressive and tensile stresses respectively are calculated based on

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24. The width of the flange of a T-beam should be less than

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25. The effective width of a column strip of a flat slab, is

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

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

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

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29. The minimum thickness of s flat slab is taken

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30. In the displacement method of structural analysis, the basic unknowns are

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31. 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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32. Bending moment at any section in a conjugate beam gives in the actual beam

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

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

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

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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. 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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38. 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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39. 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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40. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?

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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. In frame structure, what transfers the load to columns?

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

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45. Generally, the purlins are placed at the panel points so as to avoid

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

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

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49. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)

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

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