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Civil Engineering :: Steel Structure Design

  1. The effective length L of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by

  2. A.
    L = span
    B.
    L = 0.85 span
    C.
    L = 0.75 span
    D.
    L = 0.7 span
    E.
    L = 1.25 span

  3. Rolled steel beams are designated by Indian Standard series and its

  4. A.
    weight per metre and depth of its section
    B.
    depth of section and weight per metre
    C.
    width of flange and weight per metre
    D.
    weight per metre and flange width.

  5. The spans are considered approximately equal if the longest span does not exceed the shortest span by more than

  6. A.
    5%
    B.
    10%
    C.
    15%
    D.
    20%

  7. If the depth of the section of an upper column is smaller than the lower column

  8. A.
    filler plates are provided with column splice
    B.
    bearing plates are provided with column splice
    C.
    neither filler plates nor bearing plates are provided with column splice
    D.
    filler plates and bearing plates are provided with column splice
    E.
    none of these.

  9. A tension member, if subjected to possible reversal of stress due to wind, the slenderness ratio of the member should not exceed

  10. A.
    180
    B.
    200
    C.
    250
    D.
    300
    E.
    350

  11. An axial loaded column is supported on a slab base whose projection is 8 cm. If the intensity of pressure from concrete is 40 kg/cm2 and allowable bending stress in slab base is 1890 kg/cm2, the thickness (t) of the slab base, is


  12. If P is the load applied to a bracket with an eccentricity e, the resisting moment F exerted by a rivet at a distance rn from the centre of gravity, is


  13. The effective length of a weld, is taken as the actual length

  14. A.
    minus the size of weld
    B.
    minus twice the size of weld
    C.
    plus the size of weld
    D.
    plus twice the size of weld
    E.
    none of these.

  15. The permissible bearing stress in steel, is

  16. A.
    1500 kg/cm2
    B.
    1890 kg/cm2
    C.
    2025 kg/cm2
    D.
    2340 kg/cm2
    E.
    2250 kg/cm2

  17. The main assumption of the method of simple design of steel frame work, is :

  18. A.
    beams are simply supported
    B.
    all connections of beams, girders and trusses are virtually flexible
    C.
    members in compression are subjected to forces applied at appropriate eccentricities
    D.
    all the above.