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  1. Carbon percentage in high speed steel tool material is 0.6 to 1.0. The hardness of carbon tool steels is increased, when it is alloyed with

    2. A.

     Vanadium & chromium
    B.

     Silicon
    C.

     Tungsten
    D.

     Manganese

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    Workspace

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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