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Civil Engineering :: Structural Design Specifications

  1. The value of fbct in the formula for calculating the thickness of a Rectangular base, according to IS : 800-1982, is

  2. A.
    1500 kg/cm2
    B.
    1650 kg/cm2
    C.
    1800kg/cm2
    D.
    1890 kg/cm2

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  3. The slenderness ratio of single angle discontinuous struts conmected by a single rivet or bolt, shall not exceed

  4. A.
    110
    B.
    130
    C.
    150
    D.
    180

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  5. In adverse circumtances, the reinforced concrete member immersed in sea water or subjected to sea spray, the maximum permissible cover for the reinforcing bars, should not exceed

  6. A.
    40 mm
    B.
    50 mm
    C.
    60 mm
    D.
    70 mm
    E.
    75 mm

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  7. If a column is subjected to dead load and super imposed load only, the maximum ratio should not be greater than

  8. A.
    180
    B.
    250
    C.
    350
    D.
    400

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  9. If the dimensions of a rectangular section of a short column are 15 cm x 20 cm, its unsupported length should be restricted to

  10. A.
    9.0 m
    B.
    10.0 m
    C.
    11.0 m
    D.
    12.0 m

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  11. The designed transverse shear in lacing is assumed as

  12. A.
    2.5% of axial load
    B.
    3% of axial load
    C.
    3.5% of axial load
    D.
    4% of axial load.

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  13. For the stability of a structural part, the weight or anchorage should be

  14. A.
    1.2 times the minimum overturning moment due to dead load
    B.
    1.4 times the minimum overturning moment due to dead load
    C.
    sum of (a) and (b)
    D.
    none of these.

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  15. The creep coefficient i.e. the ratio of ultimate creep and elastic strain after

  16. A.
    7 days is 2.2
    B.
    28 days is 1.6
    C.
    365 days is 1.1
    D.
    all the above.

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  17. For rolled I-beams and channels, permissible tensile and compressive stresses does not exceed

  18. A.
    1400 kg/cm2
    B.
    1500 kg/cm2
    C.
    1650 kg/cm2
    D.
    1800 kg/cm2

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  19. In compression members, the lap length of a bar should not be less than

  20. A.
    12 φ
    B.
    16 φ
    C.
    20 φ
    D.
    24 φ
    E.
    30 φ

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