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Civil Engineering :: Building Materials

  1. Laterite is a/an

  2. A.

     Volcanic rock

    B.

     Argillaceous rock

    C.

     Calcareous rock

    D.

     Siliceous rock


  3. The fire clay contains pure

  4. A.

     Lime

    B.

     Oxide of iron

    C.

     Hydrated aluminium silicate

    D.

     Magnesium


  5. Generally wooden moulds are made from

  6. A.

     Ply wood

    B.

     Shishum wood

    C.

     Deodar wood

    D.

     Teak wood


  7. Lime putty

  8. A.

     Is made from hydraulic lime

    B.

     Is made by adding lime to water

    C.

     Can be used only upto three days

    D.

     All of above


  9. Kaolin is chemically classified as

  10. A.

     Metamorphic rock

    B.

     Argillaceous rock

    C.

     Calcareous rock

    D.

     Siliceous rock


  11. Bitumen is generally obtained from

  12. A.

     Organic material

    B.

     Synthetic material

    C.

     Petroleum product

    D.

     Coal


  13. Which of the following is a rock?

  14. A.

     Quartz

    B.

     Mica

    C.

     Gypsum

    D.

     None of the above


  15. The compound of Portland cement which reacts immediately with water and also sets first is

  16. A.

     Tri-calcium silicate

    B.

     Di-calcium silicate

    C.

     Tri-calcium aluminate

    D.

     Tetra calcium alumino ferrite


  17. Manganese steels

  18. A.

     Are non-magnetic

    B.

     Possess high electrical resistance

    C.

     Possess low coefficient of expansion

    D.

     All the above


  19. Mastic asphalt is

  20. A.

     Water proof

    B.

     Fire proof

    C.

     Elastic

    D.

     All the above