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Microbiology of Waste Water

Microbiology of Waste Water
Activated sludge contains large number of

all of these
protozoa
bacteria
yeasts and molds

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

zoological film
none of these
geological film
zooglocal film

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Microbiology of Waste Water
What is an anaerobic digester?

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

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

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

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

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

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

coliforms
dinoflagellates
acid-fast bacteria
bacteroids

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