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  1. Carburising flame is used to weld

    2. A.

     Steel, cast iron, copper, aluminium etc
    B.

     Brass and bronze
    C.

     Hard surfacing materials such as stellite
    D.

     All of these

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    Answer : Option C

    Explanation :

    A carburizing flame is advantageous for welding high carbon steel and hard facing such nonferrous alloys as nickel and Monel.

    Carburising flame is used to weld Hard surfacing materials such as stellite

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