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Civil Engineering :: Building Materials

  1. The most important constituent of an oil paint, is

  2. A.

    thinner

    B.

    vehicle

    C.

    pigment

    D.
    base
    E.

    all the above.

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  3. Granite mainly composed of quartz and felsper particles, is obtained from

  4. A.

    sedimentary rocks

    B.

    metamorphic rocks

    C.

    igneous rocks

    D.

    all the above.

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  5. Bullet proof glass is made of thick glass sheet sandwiched by a layer of

  6. A.

    steel

    B.

    stainless steel

    C.

    high test plastic

    D.

    chromium plate.

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  7. Pig iron obtained from the furnance which is properly provided with fuel at a very high temperature, is called

  8. A.

    Bessemer pig

    B.

    Grey or foundry pig

    C.

    White or forge pig

    D.

    Mottled pig

    E.

    None of the above.

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  9. Refractory bricks are

  10. A.

    neutral refractory bricks

    B.

    acid refractory bricks

    C.

    basic refractory bricks

    D.

    all the above.

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  11. Porcelain is used as :

  12. A.

    sanitary wares

    B.

    electric insulators

    C.

    storage vessels

    D.

    reactor chambers

    E.

    All of the above.

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  13. Durability of building stone is affected by its

  14. A.

    chemical composition

    B.

    texture

    C.

    resistance to atmosphere

    D.

    location in structure

    E.

    all the above.

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  15. Magnese steels

  16. A.

    are non-magnetic

    B.

    possess high electrical resistance

    C.

    possess low coefficient of expansion

    D.

    are used for the manufacture of rails

    E.

    all the above.

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  17. Pick up the metal refractory from the following:

  18. A.

    Molyblendum

    B.

    Tungsten

    C.

    Zicronium

    D.

    All of these.

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  19. According to IS 399-1963, the weight of the timber is specified at

  20. A.

    8% moisture content

    B.

    10% moisture content

    C.

    12% moisture content

    D.

    14% moisture content.

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