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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. Pick up the correct statement from the following:

    2. A.

    Horn blende mineral is brittle
    B.

    Muscovite is also known as white mica and potashmica
    C.

    Biotite is also known as blackmica
    D.

    All the above.

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  2. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called

    3. A.
    Plutonic rocks
    B.

    Hypabyssal rocks
    C.

    Volcanic rocks
    D.

    Ignoeous rocks.

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  3. The base material for distemper, is

    4. A.

    chalk
    B.

    lime
    C.

    lime
    D.

    cement wash.

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  4. The thermosetting plastic

    5. A.

    becomes rigid when moulded at suitable pressure and temperature
    B.

    at 127°C to 177°C permanently set and further application of heat does not soften it
    C.

    charrs at 343°C
    D.
    All the above.

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  5. Pick up the synthetic resin from the following:

    6. A.

    Malamine resin
    B.

    Phenolic resin
    C.

    Resorcinol resin
    D.
    Urea resin

     
    E.

    All of these.

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  6. Slacking of lime is affected by

    7. A.

    keeping it exposed to air
    B.

    immersing the lime in water
    C.

    crushing the lime lumps
    D.

    none of these.

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  7. The steel used in R.C.C. work is

    8. A.

    stainless steel
    B.

    mild steel
    C.

    high carbon steel
    D.

    wrought iron.

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  8. Mastic asphalt is

    9. A.

    water proof
    B.

    fire proof
    C.

    elastic
    D.

    all the above.

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  9. Non acid-resistant asbestos is :

    10. A.

    tremolite asbestos
    B.

    chrysolite abestos
    C.

    amosite absestos
    D.

    none of these.

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  10. Stones used for the construction of retaining walls must be

    11. A.
    soft
    B.

    hard
    C.

    light
    D.

    heavy.

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