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Microbiology of Waste Water

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

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

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

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

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Microbiology of Waste Water
Biogas production is

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

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

Contact aerators
Trickling filters
All of these
Oxidation ponds

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

Iron bacteria
Slime forming bacteria
Sulfur bacteria
All of these

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

bioinformatics
bioremediation
biotechnology
biolistics

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