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Civil Engineering :: Steel Structure Design

  1. The area Ap of cover plates in one flange of a built up beam, is given by

  2. A.
    B.
    C.
    D.
    E.
    none of these.

  3. The average shear stress for rolled steel beam section, is

  4. A.
    845 kg/cm2
    B.
    945 kg/cm2
    C.
    1025 kg/cm2
    D.
    1500 kg/cm2
    E.
    1875 kg/cm2

  5. For a rectangular section, the ratio of the maximum and average shear stresses, is

  6. A.
    1.5
    B.
    2.0
    C.
    2.5
    D.
    3.0
    E.
    4.0

  7. To keep the intensity of bearing pressure between the column base and concrete compressive and to vary from zero to , the ratio of the moment M to the axial load P should be


  8. The cross-section of a standard fillet is a triangle whose base angles are

  9. A.
    45° and 45°
    B.
    30° and 60°
    C.
    40° and 50°
    D.
    20° and 70°

  10. Secant formula for direct stress in compression, is applicable only for slenderness ratio upto

  11. A.
    120
    B.
    130
    C.
    140
    D.
    150
    E.
    160

  12. A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than

  13. A.
    d/250 for structural steel
    B.
    d/225 for high tensile steel
    C.
    both (c) and (b)
    D.
    neither (a) nor (b)

  14. The rolled steel I-sections are most commonly used as beams because these provide

  15. A.
    large moment of inertia with less cross-sectional area
    B.
    large moment of resistance as compared to other section
    C.
    greater lateral stability
    D.
    all the above.

  16. The thickness t of a single flat lacing should not be less than

  17. A.
    1/30 th length between inner end rivets
    B.
    1/40 th length between inner end rivets
    C.
    1/50 th length between inner end rivets
    D.
    1/60 th length between inner end rivets
    E.
    none of these.

  18. For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (excepting the webs of Indian Standard rolled steel joists and channels).

  19. A.
    4 mm
    B.
    6 mm
    C.
    8 mm
    D.
    10 mm