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Civil Engineering :: Structural Design Specifications

  1. The minimum diameter of longitudinal reinforcement of a column should not be less than

  2. A.
    6 mm
    B.
    8 mm
    C.
    10 mm
    D.
    12 mm
    E.
    20 mm

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  3. For all practical purposes, the modulus of elasticity of steel is assumed

  4. A.
    200 kN/mm2
    B.
    225 kN/mm2
    C.
    250 kN/mm2
    D.
    275 kN/mm2

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  5. The grade of reinforced concrete to be used in sea water or structures exposed to sea water should be

  6. A.
    M 10
    B.
    M 15
    C.
    M 20
    D.
    M 30

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  7. If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from

  8. A.
    - 2 mm to + 2 mm
    B.
    - 3 mm to + 3 mm
    C.
    - 4 mm to + 4 mm
    D.
    - 5 mm to + 5 mm

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  9. If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least ......of main reinforcement

  10. A.
    40%
    B.
    50%
    C.
    60%
    D.
    70%.

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  11. For achieving suitably a low permeability

  12. A.
    strong and dense aggregates are used
    B.
    low water - cement ratio is used
    C.
    proper curing is done for hydration
    D.
    proper compaction is done
    E.
    All the above.

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  13. Minimum thickness of steel work directly exposed to weather and accessible for cleaning and repainting, the thickness should be not less than

  14. A.
    4 mm
    B.
    6 mm
    C.
    8 mm
    D.
    7 mm

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  15. In limit state method, the design bond stress of M 30 grade concrete for plain bars in tension, is

  16. A.
    l.O N/mm2
    B.
    1.2 N/mm2
    C.
    1.4 N/mm2
    D.
    1.5 N/mm2

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  17. If the end of a beam of span L carrying a designed load W is partially restrained by a built up wall, it is designed to resist the negative moment at the face of the support, equal to

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  19. Generally acceptable nominal size of aggregates for reinforced concrete, is

  20. A.
    10 mm
    B.
    15 mm
    C.
    20 mm
    D.
    25 mm
    E.
    40 mm

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