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Civil Engineering :: Building Materials

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

  1. The rocks in which argil (or clay) predominates, are called
    2. A.

    sillicious rocks
    B.

    argillaceous rocks
    C.

    calcareous rocks
    D.

    igneous rocks.

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  2. A badly mixed cement concrete results in

    3. A.

    segregation
    B.

    bleeding
    C.

    honey combing
    D.

    none to these.

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  3. Pick up the correct statement regarding low heat cement from the following:

    4. A.

    It possesses less compressive strength
    B.

    Its initial setting time is about one hour
    C.

    Its final setting time is about 10 hours
    D.

    Its mainly used for mass concrete work
    E.

    All the above.

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  4. Chemically, marble is known as

    5. A.

    metamorphic rock
    B.

    argillaceous rock
    C.

    calcareous rock
    D.

    silicious rock.

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  5. Inner part of a timber log surrounding the pith, is called

    6. A.

    sapwood
    B.

    cambium layer
    C.

    heart wood
    D.

    none to these.

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  6. The filler used in plastic bitumen, is

    7. A.

    shale powder
    B.

    talc powder
    C.

    asbestos powder
    D.

    plastic powder
    E.

    none of these.

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  7. Resins are

    8. A.

    not soluble in water
    B.

    soluble in spirit
    C.

    used in varnishes
    D.

    left behind on evaporation of oil
    E.

    all the above.

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  8. Refractory bricks are used for

    9. A.

    retaining walls
    B.

    columns
    C.

    piers
    D.

    combustion chambers.

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  9. Expanded metal is
    10. A.

    manufactured from steel sheets
    B.

    used for reinforced concrete in road pavements
    C.

    measured in term of SWM (shortway mesh) and LWM (long way mesh)
    D.

    all the above.

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  10. The rock generally used for roofing, is

    11. A.

    granite
    B.

    basalt
    C.

    slate
    D.

    pumice.

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