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Microbiology of Waste Water

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

Oxidation ponds
Contact aerators
Trickling filters
All of these

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Microbiology of Waste Water
Biogas production is

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

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

dinoflagellates
acid-fast bacteria
coliforms
bacteroids

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

Combined sewers
Storm sewers
Sanitary sewers
Solid sewers

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Microbiology of Waste Water
What is an anaerobic digester?

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

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