Stones And Its Properties

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Stones And Its Properties - Quiz


Questions and Answers
  • 1. 
    1. For a good building stone how much is the required crushing strength?
    • A. 

      Less than 50 N/mm2

    • B. 

      Greater than 100 N/mm2

    • C. 

      155 N/mm2

    • D. 

      10 N/mm2

  • 2. 
    What is the required specific gravity for a good building stone?
    • A. 

      Greater than 2.7

    • B. 

      Less than 3

    • C. 

      Greater than 3

    • D. 

      Less than 2.7

  • 3. 
    Hardness is an important parameter considered in the construction of:
    • A. 

      Slab

    • B. 

      Walls

    • C. 

      Bridge

    • D. 

      Arches

  • 4. 
    Granite is not suitable for ordinary building purpose because
    • A. 

      It can not be polished

    • B. 

      It has not  a fire resistance

    • C. 

      It is costly 

    • D. 

      It has less crushing strength

  • 5. 
    The percentage absorption by weight of a good stone, after how many hours should not exceed 0 .6
    • A. 

      12 hours

    • B. 

      14hours

    • C. 

      18hours

    • D. 

      24 hours

  • 6. 
    Toughness index of a good stone should be more than:
    • A. 

      A) 17

    • B. 

      B) 18

    • C. 

      C) 13

    • D. 

      D) 19

  • 7. 
     What texture should a building stone possess?b) Crystalline structure c) Cavities d) Cracks
    • A. 

      A) Loose grains

    • B. 

      Crystalline structure

    • C. 

      Cavities

    • D. 

      Cracks

  • 8. 
    The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as
    • A. 

      Quarrying of stone

    • B. 

      Seasoning of stone

    • C. 

      Blasting of stone

    • D. 

      Dressing of stone

  • 9. 
    Why are stones with lighter shades of colour preferred?
    • A. 

      A) Easy to clean

    • B. 

      B) Easily available

    • C. 

      C) Don’t spoil the appearance

    • D. 

      D) Darker shades are heavier

  • 10. 
    Which of the following stone is best suited for construction of piers and abutments of a railway bridge ?
    • A. 

      Granite 

    • B. 

      Sand stone

    • C. 

      Lime stone

    • D. 

      Quartzite

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