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Microbiology of Waste Water

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

All of these
Iron bacteria
Slime forming bacteria
Sulfur bacteria

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Microbiology of Waste Water
Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate

water rich in organic carbon wastes but poor in phosphate
None of these
water that are anoxic
water rich in phosphate wastes but poor in organic carbon

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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
Activated sludge contains large number of

all of these
protozoa
bacteria
yeasts and molds

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

bacteroids
dinoflagellates
coliforms
acid-fast bacteria

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

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

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