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Microbiology of Waste Water

Microbiology of Waste Water
The filtering medium of trickling filters is coated with microbial flora, known as

zooglocal film
geological film
none of these
zoological film

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Microbiology of Waste Water
Which of the following is generally not referred to the sewerage system?

Storm sewers
Sanitary sewers
Solid sewers
Combined sewers

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

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

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Microbiology of Waste Water
What is an anaerobic digester?

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

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

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

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

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

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