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DUMET Medical DUMET Medical Solved Paper-2009

  • question_answer
    A sewage treatment process in which a part of decomposer bacteria present in the waste is recycled into the starting of the process is called

    A)  cyclic treatment

    B)  activated sludge treatment

    C)  primary treatment

    D)  tertiary treatment

    Correct Answer: B

    Solution :

    The activated sludge treatment involves the decomposition of organic matter through sewage fungus and decomposer bacteria by aeration in oxidation tanks. This aeration helps in the oxidation of sludge.


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