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  1. What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls ?

    2. A.
    0.5
    B.
    1.0
    C.
    2.76
    D.
    0.66

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    Workspace

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    Answer : Option D

    Explanation :

    No answer description available for this question.

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