logo

CuriousTab

CuriousTab

Discussion


Home Civil Engineering Building Materials Comments

  • Question
  • If the ore impurities is


  • Options
  • A. clay, lime stone is used as flux
  • B. lime stone, clay is used as flux
  • C. quartz, lime stone and argallaceous iron ores are used as flux
  • D. All the above.

  • Correct Answer
  • All the above. 


  • Building Materials problems


    Search Results


    • 1. The property by virtue of which lime sets under water, is known as

    • Options
    • A. slacking
    • B. setting
    • C. hydraulicity
    • D. calcining.
    • Discuss
    • 2. Dolomite is a lime stone which contains carbonate of magnesia upto

    • Options
    • A. 15%
    • B. 20%
    • C. 25%
    • D. 35%
    • E. 45%.
    • Discuss
    • 3. The presence of sand in brick earth prevents:

    • Options
    • A. cracking of bricks
    • B. shrinkage of bricks
    • C. warping of bricks
    • D. none of these.
    • Discuss
    • 4. Pick up the correct statement from the following:

    • Options
    • A. Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer
    • B. Cupola furnace is used for the manufacture of cast iron
    • C. Red short iron is of no value for welding purpose
    • D. All the above.
    • Discuss
    • 5. Percentage content of silica in window glass, is

    • Options
    • A. 40 to 45
    • B. 50 to 55
    • C. 60 to 65
    • D. 70 to 75.
    • Discuss
    • 6. The percentage of alumina and silica in good fire clay vary respectively is

    • Options
    • A. 25, 75
    • B. 30, 70
    • C. 35, 65
    • D. All of these.
    • Discuss
    • 7. Porcelain is used as :

    • Options
    • A. sanitary wares
    • B. electric insulators
    • C. storage vessels
    • D. reactor chambers
    • E. All of the above.
    • Discuss
    • 8. Pegmatite is a/an

    • Options
    • A. intrusive igneous rock
    • B. extrusive igneous rock
    • C. sedimentary rock
    • D. metamorphic rock.
    • Discuss
    • 9. To retard the initial setting time of cement, the compound responsible, is

    • Options
    • A. Tricalcium silicate
    • B. Gypsum
    • C. Di-calcium silicate
    • D. Tri calcium aluminate.
    • Discuss
    • 10. The most important constituent of an oil paint, is

    • Options
    • A. thinner
    • B. vehicle
    • C. pigment
    • D. base
    • E. all the above.
    • Discuss


    Comments

    There are no comments.

Enter a new Comment