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  • Question
  • Forge pig may be converted to wrought iron by


  • Options
  • A. rolling
  • B. pudding
  • C. shingling
  • D. refining.

  • Correct Answer
  • pudding 


  • Building Materials problems


    Search Results


    • 1. The steel used for rails under heavy traffic and on sharp curves, is

    • Options
    • A. Nickel steel
    • B. Chrome steel
    • C. Magnese steel
    • D. Vanadium steel.
    • Discuss
    • 2. The cracks which extend from bark towards the sap wood in the cross section of a tree, are called

    • Options
    • A. radial shakes
    • B. star shakes
    • C. heart shakes
    • D. cup shakes.
    • Discuss
    • 3. The steel used in R.C.C. work is

    • Options
    • A. stainless steel
    • B. mild steel
    • C. high carbon steel
    • D. wrought iron.
    • Discuss
    • 4. Plastics are compounds of carbon with element

    • Options
    • A. hydrogen
    • B. nitrogen
    • C. oxygen
    • D. All of these.
    • Discuss
    • 5. The thermosetting plastic

    • Options
    • A. becomes rigid when moulded at suitable pressure and temperature
    • B. at 127°C to 177°C permanently set and further application of heat does not soften it
    • C. charrs at 343°C
    • D. All the above.
    • Discuss
    • 6. Seasoning of timber is essential to remove

    • Options
    • A. knots from timber
    • B. sap from timber
    • C. twisted fibre from timber
    • D. roughness of timber.
    • Discuss
    • 7. The material generally not used as extender in paints, is

    • Options
    • A. powdered silica
    • B. gypsum
    • C. talc
    • D. zinc white.
    • Discuss
    • 8. The sequence of refractory materials according to increasing melting points is :

    • Options
    • A. Dolomite, Magnesia, Bauxite, Chromite
    • B. Bauxite, Chromite, Dolomite, Magnesia
    • C. Magnesia, Bauxite, Dolomite, Chromite.
    • Discuss
    • 9. Pick up the correct statement from the following:

    • Options
    • A. Bull's trench kiln a trench excavated in ground
    • B. Hoffman's kiln is constructed overground
    • C. Tunnel Kiln is constructed as a tunnel
    • D. All the above.
    • Discuss
    • 10. Veneering means

    • Options
    • A. carving out designs on timber planks
    • B. chemically treating timber planks
    • C. thick layer of superior wood glued to inferior wood
    • D. thin layer of superior wood glued to inferior wood.
    • Discuss


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