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Civil Engineering :: Building Materials

Building Materials - Section 1
Building Materials - Section 2
Building Materials - Section 3
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. Pick up correct statement from the following:
    2. A.

    Fibre boards are used for thermal and acoustic control
    B.

    Fibre boards are used for light weight standing members
    C.

    Fibre boards are obtained by impregnating a resin product on fibres
    D.

    all the above.

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  2. Quartzite, a metamorphic stone is

    3. A.

    hard
    B.

    brittle
    C.

    crystalline
    D.

    compact
    E.

    All the above.

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  3. Pick up the correct statement from the following:

    4. A.

    Plastics have generally low melting point
    B.

    The coefficient of thermal expansion of plastics is about three times than that of steel
    C.

    The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67
    D.

    All the above.

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  4. Dextrin is
    5. A.

    animal glue
    B.

    starch glue
    C.

    albumin glue
    D.

    rubber based adhesive
    E.

    none to these.

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  5.  

    Formula for quick lime, is
    6. A.

    CaCO3
    B.

    CaO
    C.

    CO3CO2
    D.

    none to these.

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  6. For the manufacture of stainless steel, steel is mixed with
    7. A.
    chromium
    B.

    nickel
    C.

    tungsten
    D.

    none of these.

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  7. Stones used for ornamental work must be

    8. A.

    soft
    B.

    hard
    C.

    light
    D.

    heavy.

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  8. Pick up the correct statement from the following:

    9. A.

    Quick lime is obtained by burning pure lime stone:
    B.

    Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
    C.

    Poor lime is obtained by burning lime stone containing impurities more than 5%
    D.

    All the above.

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  9. The presence of original rounded surface on the manufactured piece of timber, is called

    10. A.

    Wane
    B.

    Torn grain
    C.

    Diagonal grain
    D.

    Chipmark.

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  10. Smith's test of stones is performed to find out

    11. A.

    the presence of soluble matter of stone
    B.

    the compressive strength of the stone
    C.

    the hardness of the stone
    D.

    the toughness of the stone.

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