Civil Engineering MCQAE Level Civil Engineering
Which of the following about biological wastewater treatment is correct?
Environmental EngineeringActivated SludgeMEDIUM
Choose the correct answer
A
secondary clarifier is unnecessary
B
aeration supports microbial oxidation of organic matter
C
aeration is avoided to keep microbes inactive
D
return sludge is never used
Correct Answer
B. aeration supports microbial oxidation of organic matter
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Activated sludge uses suspended microbial biomass. Correct option: B.
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