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Civil Engineering :: Design of Steel Structures

Design of Steel Structures - section-1
  1. Lacing bars in a steel column should be designed to resist

    2. A.

     Bending moment due to 2.5% of the column load
    B.

     Shear force due to 2.5% of the column load
    C.

     2.5% of the column load
    D.

     Both (A) and (B)

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  2. The bracing between two columns of a steel tank will be designed to resist

    3. A.

     horizontal shear due to wind or earthquake only
    B.

     horizontal, shear due to wind or earthquake + 2.5% of column loads
    C.

     column loads + 2.5% of horizontal shear due to wind or earthquake
    D.

     column loads + full horizontal shear due to wind or earthquake

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  3. Gantry girders are designed to resist

    4. A.

     lateral loads
    B.

     longitudinal loads and vertical loads
    C.

     lateral, longitudinal and vertical loads
    D.

     lateral and longitudinal loads

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  4. 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)

    5. A.

     0.55 Awfy
    B.

     0.65 Awfy
    C.

     0.75 Awfy
    D.

     0.85 Awfy

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  5. As per IS : 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)

    6. A.

     121
    B.

     161
    C.

     201
    D.

     251

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  6. The heaviest I-section for same depth is

    7. A.

     ISMB
    B.

     ISLB
    C.

     ISHB
    D.

     ISWB

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  7. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

    8. A.

     1.23 m above the rail level
    B.

     1.50 m above the rail level
    C.

     1.83 m above the rail level
    D.

     2.13 m above the rail level

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  8. Bearing stiffener in a plate girder is used to

    9. A.

     transfer the load from the top flange to the bottom one
    B.

     prevent buckling of web
    C.

     decrease the effective depth of web
    D.

     prevent excessive deflection

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  9. The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ’h’ is

    10. A.

     10 m
    B.

     20 m
    C.

     25 m
    D.

     50 m

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  10. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)

    11. A.

     1.5 d
    B.

     2.0 d
    C.

     2.5 d
    D.

     3.0 d

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