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  • Question
  • Initial setting of cement is caused due to


  • Options
  • A. Tri-calcium silicate
  • B. Di-calcium silicate
  • C. Tri-calcium aluminate
  • D. Tetra calcium alumino ferrite.

  • Correct Answer
  • Tri-calcium aluminate 


  • Building Materials problems


    Search Results


    • 1. Stuco paints are suitable for

    • Options
    • A. stone masonry
    • B. brick walls
    • C. both (a) and (b)
    • D. neither (a) nor (b).
    • Discuss
    • 2. The foliated structure is very common in

    • Options
    • A. sedimentary rocks
    • B. igneous rocks
    • C. metamorphic rocks
    • D. none of these.
    • Discuss
    • 3. The presence of original rounded surface on the manufactured piece of timber, is called

    • Options
    • A. Wane
    • B. Torn grain
    • C. Diagonal grain
    • D. Chipmark.
    • Discuss
    • 4. Quartzite, a metamorphic stone is

    • Options
    • A. hard
    • B. brittle
    • C. crystalline
    • D. compact
    • E. All the above.
    • Discuss
    • 5. Bituminous fells are used for

    • Options
    • A. covering A.C. sheets
    • B. covering sloping roofs
    • C. D.P.C.
    • D. none to these.
    • Discuss
    • 6. Wrought iron is manufactured from pig iron by

    • Options
    • A. refining
    • B. pudding
    • C. shingling
    • D. rolling
    • E. all the above.
    • Discuss
    • 7. For the manufacture of stainless steel, steel is mixed with

    • Options
    • A. chromium
    • B. nickel
    • C. tungsten
    • D. none of these.
    • Discuss
    • 8. Knots in timber are

    • Options
    • A. defects caused by crushing fibres
    • B. splits radiating from the centre
    • C. speckled strains
    • D. signs of branches cut off.
    • Discuss
    • 9. The hardest rock is

    • Options
    • A. marble
    • B. diamond
    • C. talc
    • D. quartz.
    • Discuss
    • 10. Wrought iron is used for

    • Options
    • A. structural works in beams
    • B. small sized water pipes
    • C. columns and struts
    • D. none to these.
    • Discuss


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