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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.


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

  4. A.

    5%

    B.

    10%

    C.

    15%

    D.

    20%

    E.

    25%.


  5. The most valuable timber may be obtained from

  6. A.

    chir

    B.

    shisham

    C.

    sal

    D.

    teak.


  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.


  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.


  11. Mastic asphalt is

  12. A.

    acid resisting material

    B.

    non-corrosive material

    C.

    corrosive material

    D.

    heating-resisting material.


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

  14. A.

    clay

    B.

    feldspar

    C.

    quartz

    D.

    minerals

    E.

    All of these.


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

  16. A.

    red lead

    B.

    zinc white

    C.
    white lead
    D.

    titanium white.


  17. Laterite is found in

  18. A.

    U.P.

    B.

    Punjab

    C.

    West Bengal

    D.

    Kerala.


  19. Lacquer is

  20. A.

    oil paint

    B.

    distemper

    C.

    spirit varnish

    D.

    none to these.