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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-3

  • question_answer
    The BOD test is an indirect measure of...... of waste water. The suitable words for the blank are

    A)  The volatile acid content

    B)  The organic content

    C)  The dissolved solids

    D)  The suspended solids

    Correct Answer: B

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