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Civil Engineering :: Steel Structure Design

  1. Lug angle is

  2. A.
    used with single angle member
    B.
    not used with double angle member
    C.
    used with channel member
    D.
    all the above.

  3. Effective length of a column effectively held in position and restrained in direction at both ends, is

  4. A.
    L
    B.
    0.67 L
    C.
    0.85 L
    D.
    1.5 L
    E.
    2 L

  5. A riveted joint many experience

  6. A.
    tearing failure of plates
    B.
    bearing failure of plates
    C.
    splitting failure of plates at the edges
    D.
    bearing failure of rivets
    E.
    all the above.

  7. If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

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

  9. IS : 800 - 1971 recommends that in a splice plate the number of rivets carrying calculated shear stress through a packing greater than 6 mm thick, is to be increased by 2.5% for every

  10. A.
    1.00 mm thickness of packing
    B.
    1.50 mm thickness of packing
    C.
    2.0 mm thickness of packing
    D.
    2.50 mm thickness of packing
    E.
    3.0 mm thickness of packing.

  11. To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be


  12. When the upper column does not provide full bearing area over lower column, the column splice is provided with the following assumption

  13. A.
    bearing plate is assumed as a short beam to transmit the axial load to the lower column section
    B.
    axial load is assumed to be taken by flanges
    C.
    load transmitted from the flanges of upper column and reactions from the flanges of lower columns are equal and form a couple
    D.
    all the above.

  14. For a steel member of slenderness ratio 350, the allowable stress is 76 kg/cm2 if it is

  15. A.
    HTW grade of thickness exceeding 32 mm
    B.
    HT grade of thickness exceeding 45 mm
    C.
    HT grade of thickness not exceeding 45 mm
    D.
    All the above.

  16. The permissible stress to which a structural member can be subjected to, is known as

  17. A.
    bearing stress
    B.
    working stress
    C.
    tensile stress
    D.
    compressive stress
    E.
    all the above.

  18. If M is the moment due to a couple in a bearing plate whose width is b and allowable bending stress is P, the thickness (t) of the bending plate of the column splice, is