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Microbiology of Waste Water

Microbiology of Waste Water
Iron bacteria can produce

extreme acidity
slime
undesirable odors and tastes
both (a) and (b)

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

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

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

coliforms
bacteroids
acid-fast bacteria
dinoflagellates

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Microbiology of Waste Water
Which of the following is responsible for the corrosion problem?

Slime forming bacteria
All of these
Sulfur bacteria
Iron bacteria

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Microbiology of Waste Water
The death of a river by environmental pollutants ultimately results from

the buildup of sediment on the river bottom
the overabundance of toxic proteins
the depletion of oxygen
the overpopulation of algae

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Microbiology of Waste Water
Treatment of municipal water supplies is based upon

filtration, coagulation, chlorination
coagulation, filtration, chlorination
coagulation, chlorination, filtration
chlorination, filtration, coagulation

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