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Microbiology of Waste Water

Microbiology of Waste Water
Water testing relies on the detection of certain indicator organisms known as

bacteroids
coliforms
acid-fast bacteria
dinoflagellates

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Microbiology of Waste Water
Oxidation ponds are shallow ponds, generally designed at the depth of

1 to 3 feet
5 to 8 feet
2 to 40 feet
4 to 6 feet

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Microbiology of Waste Water
The acetate-utilizing methanogens are responsible for

20% of methane produced in a biogas reactor
50% of methane produced in a biogas reactor
70% of methane produced in a biogas reactor
85% of methane produced in a biogas reactor

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Microbiology of Waste Water
A dense bacterial population caught in a tangled web of fibers sticking to a surface describes

coagulation
a biofilm
the membrane filter technique
a biodisc

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Microbiology of Waste Water
Which of the following is generally not referred to the sewerage system?

Sanitary sewers
Solid sewers
Storm sewers
Combined sewers

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Microbiology of Waste Water
Advanced treatment is generally used to treat waste water to

remove coarse solids
reduce BOD
remove settleable solids
remove additional objectionable substances

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