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Bio I ,AFB & UASB

Quiz by Padmasini Srivathsan

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7 questions
Show answers
  • Q1

    � �Retention time suggested for Bio Net

    � 30min or less

    � 30 sec or less

    � � �120min or more

    20s
  • Q2

    � Aeration tank DO levels general range

    �Less than 1ppb

    � >2 ppm

    � � �20-30 ppb

    20s
  • Q3

    NH3-N will affect the activity of methanogens in low pH?

    true
    false
    True or False
    15s
  • Q4

    What is the ratio of height to diameter for the AFBtank?

    � � ��

    �H/D=4~6

    �

    �H/D=1~3

    H/D= >7� �

    15s
  • Q5

    Which of the following media can serve as a carrier for AFB?

    �

    Quartz sand

    ��

    �Bio capture

    Activated carbon��

    20s
  • Q6

    The content of nutrients can affect reaction rates and treatment efficiency,

    true
    false
    True or False
    10s
  • Q7

    Bio-convert UASB is a 3-phase separator.�

    true
    false
    True or False
    30s

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