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Civil Engineering :: Concrete Technology

Concrete Technology - Section 1
Concrete Technology - Section 2
Concrete Technology - Section 3

  1. Concrete mainly consists of

    2. A.

    cement
    B.

    aggregates
    C.

    admixture
    D.

    water
    E.

    all the above.

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  2. Vicat's apparatus is used for

    3. A.

    fineness test
    B.

    consistency test
    C.

    setting time test
    D.

    soundness test
    E.

    compressive strength test.

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  3. M 150 grade of concrete approximates

    4. A.
    1 : 3 : 6 mix
    B.

    1 : 1 :2 mix
    C.

    1 : 2 : 4 mix
    D.

    1 : 1.5 : 3 mix
    E.

    none of these.

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  4. Workability of concrete is measured by

    5. A.

    Vicat apparatus test
    B.
    Slump test
    C.

    Minimum void method
    D.

    Talbot Richard test.

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  5.  

    The rock which is not calcareous, is :
    6. A.

    lime stone
    B.

    macl
    C.

    chalk
    D.

    laterite
    E.

    none of these.

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  6. Internal friction between the ingredients of concrete, is decreased by using
    7. A.

    less water
    B.

    fine aggregates
    C.

    rich mix
    D.
    more water and coarse aggregates
    E.

    none of these.

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  7. For road pavements, the cement generally used, is

    8. A.
    ordinary Portland cement
    B.

    rapid hardening cement
    C.
    low heat cement
    D.

    blast furnace slag cement
    E.

    none of these.

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  8. Construction joints are generally provided in concrete

    9. A.
    roads
    B.

    retaining walls
    C.
    lining of canals
    D.

    lining of tunnels
    E.
    all the above.

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