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    Question

    Power operated machines are operated at pressure ranging

    from:
    A 1 to 7 kg/ cm2 Correct Answer Incorrect Answer
    B 7 to 15 kg/ cm2 Correct Answer Incorrect Answer
    C 15 to 22 kg/ cm2 Correct Answer Incorrect Answer
    D 20 to 55 kg/cm2 Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Power operated machines are operated at pressure ranging from 20 to 55 kg/cm2.

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