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  1. In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

    2. A.

     Equal to
    B.

     Smaller than
    C.

     Larger than
    D.

     None of these

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    Answer : Option C

    Explanation :

    In a four high rolling mill, the diameter of backing up rolls is Larger than the diameter of working rolls.

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