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Civil Engineering :: Building Materials

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Building Materials - Section 4
Building Materials - Section 5
Building Materials - Section 6
Building Materials - Section 7
Building Materials - Section 8
Building Materials - section-9

  1. Mastic asphalt is normally used for

    2. A.

    sound insulation
    B.

    water proofing
    C.

    fire proofing
    D.

    none to these.

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  2. Lime stone is not a

    3. A.

    sedimentary rock
    B.

    stratified rock
    C.

    aqueous rock
    D.

    metamorphic rock.

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  3. The size of modular bricks, is

    4. A.

    10 x 10 x 9 cm
    B.

    19 x 9 x 9 cm
    C.

    22.5 x 10 x 8.5 cm
    D.

    22.5 x 8.0 x 9 cm.

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  4. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
    5. A.

    slate
    B.

    plank
    C.

    board
    D.

    strip.

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  5. Pig iron is manufactured from the ores by
    6. A.

    dressing
    B.

    calcination and roasting
    C.

    smelting
    D.

    all the above.

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  6. Quick lime

    7. A.

    generates heat when added to water
    B.

    reacts with carbon dioxide
    C.

    may be used for white-washing
    D.

    when mixed with water forms slaked lime
    E.

    all the above.

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  7. Age of a tree may be ascertained by

    8. A.

    radius of its stem
    B.

    circumference of its stem
    C.

    number of branches
    D.

    number of annual rings.

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  8. The portion of a brick cut to form angles other than right angles in plan, is known as

    9. A.

    queen closer
    B.

    king closer
    C.

    closer
    D.

    squint brick.

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  9. Pick up the correct statement from the following:

    10. A.

    Slaked lime contains calcium hydroxide
    B.

    Quick lime contains calcium oxide
    C.

    Slaked lime may be obtained from quick lime
    D.

    Slaked lime is obtained by adding water to quick lime
    E.

    All the above.

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  10. Plywood is obtained by gluing wooden sheets at

    11. A.

    100 to 150 N/cm2
    B.

    100 to 130°C

     
    C.

    both (a) and (b)
    D.

    Neither (a) nor (b).

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