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Microbiology of Waste Water

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

bioinformatics
biotechnology
bioremediation
biolistics

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

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

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

Slime forming bacteria
Sulfur bacteria
Iron bacteria
All of these

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Microbiology of Waste Water
The biogas production process takes place at the temperature

25-40°C
lesser than 25°C
45-60°C
all of these

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

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

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

acid-fast bacteria
coliforms
bacteroids
dinoflagellates

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