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Civil Engineering :: Building Materials

  1. Which of the following is a mineral?

  2. A.

     Basalt

    B.

     Granite

    C.

     Quartz

    D.

     Syenite


  3. Which of the following timbers is suitable for making sports goods?

  4. A.

     Mulberry

    B.

     Mahogany

    C.

     Sal

    D.

     Deodar


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

  6. A.

     Soft

    B.

     Hard

    C.

     Light

    D.

     Heavy


  7. Invar contains

  8. A.

     12% of nickel

    B.

     24% of nickel

    C.

     30% of nickel

    D.

     36% of nickel


  9. Calcination of iron ores is done

  10. A.

     To remove moisture

    B.

     To remove carbonic acid

    C.

     By roasting in heaps

    D.

     All the above


  11. The size of mould for bricks, is generally kept

  12. A.

     A little large to specified size

    B.

     A little small to specified size

    C.

     Equal to specified size

    D.

     10% larger than specified size


  13. The foliated structure is very common in

  14. A.

     Sedimentary rocks

    B.

     Igneous rocks

    C.

     Metamorphic rocks

    D.

     None of these


  15. The rocks formed by gradual deposition, are called

  16. A.

     Sedimentary rocks

    B.

     Igneous rocks

    C.

     Metamorphic rocks

    D.

     None of these


  17. The specific gravity of marble, is

  18. A.

     2.50

    B.

     2.60

    C.

     2.66

    D.

     2.72


  19. Jhumb bricks are

  20. A.

     Under burnt

    B.

     Over burnt

    C.

     Kutcha

    D.

     None of these