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Microbiology of Waste Water

Microbiology of Waste Water
Which of the following is not employed as an oxidation method?

Trickling filters
All of these
Contact aerators
Oxidation ponds

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Microbiology of Waste Water
Biogas production is

an oxygen dependent process
a temperature-dependent process
None of these
a temperature independent process

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Microbiology of Waste Water
The concept of putting microbes to help clean up the environment is called

fermentation
bioremediation
biolistics
pasteurization

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

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

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

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

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Microbiology of Waste Water
Iron bacteria can produce

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

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