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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 :

    No answer description available for this question.

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