In which parts of sewage treatment plant, the speed of flowing sewage is adjusted such that heavier particles settle down first followed by smaller particles.
A
Filtration tank
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B
Chlorination Chamber
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C
Grit chamber
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D
Sedimentation tank
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Solution
The correct option is C Grit chamber A grit chamber adjusts the speed at which sewage flows such that the heavier paticles like stones, sand, etc. followed by smaller particles settle down to the bottom of the chamber.