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Civil Engineering :: Building Materials

  1. Laterite is a/an

  2. A.

    volcanic rock

    B.

    argillaceous rock

    C.

    calcareous rock

    D.

    silicious rock.

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  3. A stone is rejected if it absorbs water more than

  4. A.

    5%

    B.

    10%

    C.

    15%

    D.

    20%

    E.

    25%.

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  5. The most valuable timber may be obtained from

  6. A.

    chir

    B.

    shisham

    C.

    sal

    D.

    teak.

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  7. Pick up the correct statement from the following:

  8. A.

    Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon

    B.

    The edges of a finished wrought iron, are rough due to red shortage

    C.

    Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)

    D.

    For the manufacture of wrought iron, non-sulphurous fuel is not necessary

    E.

    All the above.

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  9. Pick up the compound responsible for early strength of cement from the following:

  10. A.

    Tetra-calcium alumino-ferrite

    B.
    Tricalcium silicate
    C.

    Tricalcium aluminate

    D.

    Dicalcium silicate.

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  11. Mastic asphalt is

  12. A.

    acid resisting material

    B.

    non-corrosive material

    C.

    corrosive material

    D.

    heating-resisting material.

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  13. Which one of the following is used for preparing porcelain

  14. A.

    clay

    B.

    feldspar

    C.

    quartz

    D.

    minerals

    E.

    All of these.

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  15. The commonly used base for iron and steel work, is

  16. A.

    red lead

    B.

    zinc white

    C.
    white lead
    D.

    titanium white.

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  17. Laterite is found in

  18. A.

    U.P.

    B.

    Punjab

    C.

    West Bengal

    D.

    Kerala.

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  19. Lacquer is

  20. A.

    oil paint

    B.

    distemper

    C.

    spirit varnish

    D.

    none to these.

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