Building Materials, Third Edition

(Jacob Rumans) #1

VT f2w—
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Codes:
(a)ABCD (b)ABCD
3421 3412
(c)ABCD (b)ABCD
1432 1423.


  1. The texture of sandstone is
    (a) prophyritic (b) conglomerate
    (c) vesicular (d) granular crystalline

  2. In rock masses reduction is strength occurs due to the presence of relatively large quantities
    of
    (a) silica (b) iron
    (c) orthoclase (d) hornblende

  3. Which of the following is unstratified?
    (a) Sandstone (b) Limestone
    (c) Shale (d) Granite

  4. Stone is placed along its natural bed so that the applied load is
    (a) parallel to it (b) normal to it
    (c) at 45° to it (d) at 30° to it

  5. Marble is quarried by
    (a) blasting (b) excavating
    (c) heating (d) wedging

  6. Which of the following is hardest mineral?
    (a) Quartz (b) Felspar
    (c) Garnet (d) Amphibole

  7. Which of the following is the sofest mineral?
    (a) Mica (b) Gypsum
    (c) Olivine (d) Serpentine

  8. Syenite is a
    (a) deep seated plutonic rock (b) hypabassal rock
    (c) basic rock (d) acid rock

  9. Consider the following statements with regards to basalt

  10. It is an ultrabasic rock

  11. It contains 45 – 60% silica

  12. It is an effusive rick
    Of these the correct answer is
    (a) 1 only (b) 1 and 2
    (c) 1 and 3 (d) 2 and 3

  13. Which of the following pairs is correctly matched?
    (a) Sandstone Igneous rock
    (b) Limestone Sedimentary rock
    (c) Basalt Metamorphic rock
    (d) Granite Argillaceous rock

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