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Microbiology of Waste Water

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

Iron bacteria
Sulfur bacteria
All of these
Slime forming bacteria

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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
4 to 6 feet
2 to 40 feet

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

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

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

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

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

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

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Microbiology of Waste Water
The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called

bioremediation
bioinformatics
biotechnology
biolistics

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