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  1. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

  2. A.
    cobalt, chromium & tungsten,
    B.
    cobalt, chromium & nickel.
    C.
    molybdenun, tungsten & chromium.
    D.
    cobalt, zirconium & molybdenum.

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    Answer : Option A

    Explanation :

    No answer description available for this question.


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