Identify the INCORRECT statement with respect to sewage treatment… - Vidyadip

MCQ

Identify the INCORRECT statement with respect to sewage treatment.

✓
By secondary treatment, BOD of the effluent increases.
B
During tertiary treatment of sewage, waste water is passed into a settling tank.
C
During preliminary treatment, coarse particulate matter is filtered.
D
Preliminary treatment, physical treatment, biological treatment, and tertiary treatment are steps in sewage treatment process.

✓

Answer

Correct option: A.

By secondary treatment, BOD of the effluent increases.

A

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