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Civil Engineering :: Building Materials

  1. Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

  2. A.

    cant

    B.

    deal

    C.

    baulk

    D.

    baulk

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  3. Quick lime (or caustic lime)

  4. A.

    is obtained by the calcination of pure lime stone

    B.

    has great affinity to moisture

    C.

    is amorphous

    D.

    All the above.

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  5.  

    Pick up the correct statement from the following:

  6. A.

    soft stones are required for carving

    B.

    light stones are required for arches

    C.

    hard stones are required to stand high pressure

    D.

    All the above.

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  7. Name the type of cement from the following for canal linings :

  8. A.

    sulphate resisting cement

    B.

    rapid hardening cement

    C.

    quick setting cement

    D.

    pozzuolana cement.

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  9. Mastic asphalt is generally used for

  10. A.

    damp proof course

    B.

    water proof layer

    C.

    partition walls

    D.

    both (a) and (b).

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  11. Black marble is generally found in the district of

  12. A.

    Jodhpur

    B.

    Jaipur

    C.

    Jabalpur

    D.

    Jaisalmer

    E.

    Pune.

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  13. The most fire resistant paints are :

  14. A.

    enamel paints

    B.

    aluminium paints

    C.

    asbestos paints

    D.

    cement paints.

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  15. If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

  16. A.

    0.70 P

    B.

    0.75 P

    C.

    0.80 P

    D.

    0.85 P

    E.

    0.90 P.

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  17.  

    A pug mill is used for

  18. A.

    softening brick earth

    B.

    moulding brick earth

    C.

    tempering brick earth

    D.

    providing brick earth

    E.

    all the above.

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  19. A good brick earth should contain :

  20. A.

    about 20% to 30% of alumina

    B.

    about 50% to 60% of silica

    C.

    not more than 5% of lime

    D.

    about 5 to 6% of oxide of lime

    E.

    All the above.

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