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Civil Engineering :: Steel Structure Design

  1. The ratio of hydrostatic stress to the volumetric strain within the elastic range, is called

  2. 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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  3. The deflection of beams may be decreased by

  4. A.
    increasing the depth of beam
    B.
    increasing the span
    C.
    decreasing the depth of beam
    D.
    increasing the width of beam
    E.
    none of these.

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  5. For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is

  6. A.
    l = 0.7L
    B.
    l = 0.75L
    C.
    l = 0.85L
    D.
    l = 0.5L
    E.
    l = L

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  7. In a built up section carrying a tensile force, the flanges of two channels are turned outward

  8. A.
    to simplify the transverse connections
    B.
    to minimise lacing
    C.
    to have greater lateral rigidity
    D.
    all the above
    E.
    none of the above.

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  9. If P is the wind pressure in kg/cm2, v is the velocity in km/hour and K is a constant of proportionality, then

  10. A.
    P = K/v2
    B.
    v = K/P2
    C.
    P = Kv2
    D.
    P = Kv

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  11. Length of an outstanding leg of a vertical stiffener, may be taken equal to

  12. A.
    th of clear depth of the girder plus 15 mm
    B.
    th of clear depth of the girder plus 20 mm
    C.
    th of clear depth of the girder plus 25 mm
    D.
    th of clear depth of the girder plus 50 mm
    E.
    th of clear depth of the girder plus 50 mm.

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  13. Efficiency of a riveted joint is defined as the ratio of

  14. A.
    least strength of a riveted joint to the strength of solid plate
    B.
    greatest strength of a riveted joint to the strength of solid plate
    C.
    least strength of a riveted plate to the greatest strength of the riveted joint
    D.
    all the above.

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  15. The stress in the wall of a thin cylinder subjected to internal pressure, is

  16. A.
    hoop compression
    B.
    shear
    C.
    torsional shear
    D.
    hoop tension.

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  17. The diameter of a bolt hole is taken as the nominal diameter of the bolt plus

  18. A.
    1.0 mm
    B.
    1.2 mm
    C.
    1.4 mm
    D.
    1.6 mm
    E.
    1.5 mm

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  19. Pick up the correct statement from the following:

  20. A.
    Tacking rivets are used if the minimum distance between centres of two adjacent rivets exceeds 12 t or 200 mm, whichever is less
    B.
    Tacking rivets are not considered to calculate stress
    C.
    Tacking rivets are provided throughout the length of a compression member composed of two components back to back
    D.
    All the above.

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