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  • Question
  • Polymerization helps to improve the property of


  • Options
  • A. strength
  • B. rigidity
  • C. elasticity
  • D. all of these.

  • Correct Answer
  • all of these. 


  • Building Materials problems


    Search Results


    • 1. Pick up the correct statement from the following:

    • Options
    • A. The theory of formation of concrete is based on the phenomena of formation of voids
    • B. The bulking of sand is taken into account while volumetric proportioning of the aggregates
    • C. The dry sand and the sand completely flooded with water, have practically the same volume
    • D. The expansion and contraction joints are provided if concrete structures exceed 12 m in length
    • E. All the above.
    • Discuss
    • 2. Quartzite is a

    • Options
    • A. metamorphic rock
    • B. argillaceous rock
    • C. calcareous rock
    • D. silicious rock.
    • Discuss
    • 3. Wrought iron contains carbon about

    • Options
    • A. 1.5% to 5.5%
    • B. 0.5% to 1.75%
    • C. 0.1% to 0.25%
    • D. none to these.
    • Discuss
    • 4. For melting one tonne of cast iron

    • Options
    • A. 700 m3 air is required
    • B. 20 kg limestone is required
    • C. one quintal coke is required
    • D. all the above.
    • Discuss
    • 5. In a mortar, the binding material is

    • Options
    • A. cement
    • B. sand
    • C. surkhi
    • D. cinder.
    • Discuss
    • 6. The variety of pig iron used for the manufacture of steel by Bessemer process, is

    • Options
    • A. Bessemer pig
    • B. Grey pig
    • C. White forge pig
    • D. Mottled pig.
    • Discuss
    • 7. Pick up the polymineralic rock from the following:

    • Options
    • A. Quartz sand
    • B. Pure gypsum
    • C. Magnesite
    • D. Granite
    • E. None of these.
    • Discuss
    • 8. Vanadium steel is generally used for

    • Options
    • A. railway switches and crossing
    • B. bearing balls
    • C. magnets
    • D. axles and springs.
    • Discuss
    • 9. The main constituent of fly-ash, is

    • Options
    • A. aluminium oxide
    • B. silica
    • C. ferrous oxide
    • D. All of these.
    • Discuss
    • 10. Due to attack of dry rot, the timber

    • Options
    • A. cracks
    • B. shrinks
    • C. reduces to powder
    • D. none of these.
    • Discuss


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