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Building Materials - section-9
  1. Laterite is a/an

    2. A.

     Volcanic rock
    B.

     Argillaceous rock
    C.

     Calcareous rock
    D.

     Siliceous rock

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  2. The fire clay contains pure

    3. A.

     Lime
    B.

     Oxide of iron
    C.

     Hydrated aluminium silicate
    D.

     Magnesium

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  3. Generally wooden moulds are made from

    4. A.

     Ply wood
    B.

     Shishum wood
    C.

     Deodar wood
    D.

     Teak wood

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  4. Lime putty

    5. A.

     Is made from hydraulic lime
    B.

     Is made by adding lime to water
    C.

     Can be used only upto three days
    D.

     All of above

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  5. Kaolin is chemically classified as

    6. A.

     Metamorphic rock
    B.

     Argillaceous rock
    C.

     Calcareous rock
    D.

     Siliceous rock

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  6. Bitumen is generally obtained from

    7. A.

     Organic material
    B.

     Synthetic material
    C.

     Petroleum product
    D.

     Coal

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  7. Which of the following is a rock?

    8. A.

     Quartz
    B.

     Mica
    C.

     Gypsum
    D.

     None of the above

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  8. The compound of Portland cement which reacts immediately with water and also sets first is

    9. A.

     Tri-calcium silicate
    B.

     Di-calcium silicate
    C.

     Tri-calcium aluminate
    D.

     Tetra calcium alumino ferrite

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  9. Manganese steels

    10. A.

     Are non-magnetic
    B.

     Possess high electrical resistance
    C.

     Possess low coefficient of expansion
    D.

     All the above

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  10. Mastic asphalt is

    11. A.

     Water proof
    B.

     Fire proof
    C.

     Elastic
    D.

     All the above

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