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  1. First empirical temperature scale conceived is the __________ temperature scale.

  2. A.
    Absolute
    B.
    Reaumer
    C.
    Farenhite
    D.
    Celcius

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  3. In continuous casting of liquid steel, the mould is made of

  4. A.
    water cooled steel
    B.
    water cooled copper.
    C.
    refractory oxide.
    D.
    silicon carbide.

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  5. Diamond does not conduct electricity, because

  6. A.
    its structure is very compact.
    B.
    no free electrons are present.
    C.
    it is of crystalline nature.
    D.
    there are only carbon atoms present.

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  7. __________ can not be forged.

  8. A.
    High speed/carbon steel
    B.
    Cast iron
    C.
    Wrought iron
    D.
    Mild steel

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  9. Material having maximum density is

  10. A.
    plutonium
    B.
    osmium
    C.
    titanium
    D.
    uranium

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  11. Which of the following is not found in iron-carbon equilibrium diagram ?

  12. A.
    Curie point
    B.
    Peritectic point
    C.
    Eutectic point
    D.
    Eutectoid point

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  13. Which of the following metals can not be extracted by pyrometallurgical process from its sulphide ore?

  14. A.
    Copper
    B.
    Mercury
    C.
    Lead
    D.
    None of these

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  15. Nitrogen compounds are not used in the manufacture of

  16. A.
    fertilisers
    B.
    gun powder
    C.
    tip of match sticks
    D.
    explosive

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  17. Stellite is a trade name for the

  18. A.
    cermets.
    B.
    ferrous cast alloys.
    C.
    non-ferrous cast alloys.
    D.
    products made by powder metallurgy techniques.

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  19. Needles are produced by

  20. A.
    forging
    B.
    swaging
    C.
    extrusion
    D.
    machining

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