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Microbiology of Waste Water

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

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

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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
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
What is an anaerobic digester?

New diet drink
All of these
Method to convert agricultural waste into a biogas
Microbe that eats hazardous waste

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Microbiology of Waste Water
The magnitude of BOD of wastewater is related to

bacterial count
amount of inorganic material
All of these
amount of organic material

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

bioremediation
pasteurization
fermentation
biolistics

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