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Civil Engineering :: Steel Structure Design

  1. Diameter of a rivet hole is made larger than the diameter of the rivet by

  2. A.
    1.0 mm for rivet diameter upto 12 mm
    B.
    1.5 mm for rivet diameter exceeding 25 mm
    C.
    2.0 mm for rivet diameter over 25 mm
    D.
    none of these.

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  3. Number of rivets required in a joint, is

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

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  5. When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from

  6. A.
    each web
    B.
    each flange
    C.
    both webs
    D.
    each web or one hole from each flange whichever is more
    E.
    each web or one hole from each flange whichever is less.

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  7. If d is the distance between the flange angles, the vertical stiffeners in plate girders without horizontal stiffeners, are spaced at a distance not less than

  8. A.
    0.15 d
    B.
    0.22 d
    C.
    0.33 d
    D.
    0.44 d

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  9. A column splice is used to increase

  10. A.
    length of the column
    B.
    strength of the column
    C.
    cross-sectional area of the column
    D.
    none of these.

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  11. If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as

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  13. If d is the clear depth of a plate girder, t is the minimum required thickness of the web, C is the maximum clear distance between vertical stiffeners, the moment of inertia of a pair of stiffeners about the centre line of the web, is

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  15. The ratio of the span L of the filler joists to the depth d from the under side of the joist to the top of the structural concrete, should not exceed

  16. A.
    60
    B.
    45
    C.
    35
    D.
    25
    E.
    20

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  17. The maximum tensile and compressive bending stress in extreme fibres of rolled I-sections and channels on the effective section, is

  18. A.
    1500 kg/cm2
    B.
    1420 kg/cm2
    C.
    1650 kg/cm2
    D.
    2285 kg/cm2

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  19. Perforated cover plates are particularly suitable for built up sections consisting of

  20. A.
    channels placed back to back
    B.
    channels placed toe to toe
    C.
    four angle box section
    D.
    all the above.

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