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Civil Engineering :: Steel Structure Design

  1. The permissible stress in bending for rolled steel I-beams and channels, is

  2. A.
    1500 kg/cm2
    B.
    1575 kg/cm2
    C.
    945 kg/cm2
    D.
    1650 kg/cm2
    E.
    1875 kg/cm2

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  3. Column footing is provided

  4. A.
    to spread the column load over a larger area
    B.
    to ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
    C.
    to distribute the column load over soil through the column footing
    D.
    all the above.

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  5. Pick up the correct statement from the following:

  6. A.
    When the gauge distance is larger than the pitch, the failure of the section may occur in a zig-zag line
    B.
    When the gauge distance is smaller than the pitch, the failure of the section may occur in a straight right angle section through the centre of rivet holes
    C.
    When the gauge distance and pitch are both equal, the failure to the section becomes more likely as the diameter of the holes increases
    D.
    All the above.

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  7. The ratio of longitudinal stress to strain within eiastic limit, is known as

  8. A.
    modulus of elasticity
    B.
    shear modulus of elasticity
    C.
    bulk modulus of elasticity
    D.
    tangent modulus of elasticity
    E.
    all the above.

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  9. If flexural rigidity of a column whose length is L and the loaded end is free, is El, the critical load will be

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  11. For a column of height L fixed in position and direction both at its top and bottom, its effective length, is

  12. A.
    L
    B.
    L
    C.
    (1/2)*L
    D.
    2L

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  13. In a tension member if b is width of plate, t is thickness of plate, p is staggered pitch, g is gauge distance, n is number of rivet holes in zig-zag line, n is number of gauge spaces, d is gross diameter of rivets, then the net sectional area Anet of the plate, is

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

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  15. Net sectional area of a tension member, is equal to its gross section area

  16. A.
    plus the area of the rivet holes
    B.
    divided by the area of rivet holes
    C.
    multiplied by the area of the rivet holes
    D.
    minus the area of the rivet holes
    E.
    none of these.

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  17. The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called

  18. A.
    pitch of rivet
    B.
    gauge distance of rivet
    C.
    staggered pitch
    D.
    all the above
    E.
    none of these.

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  19. Tongue plates are provided in a steel girder at

  20. A.
    the upper flange
    B.
    the lower flange
    C.
    the upper end of the web
    D.
    the lower end of the web
    E.
    the upper and lower ends of the web.

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