Why is a proportional flow weir provided in a grit chamber ?

1.	Why is a proportional flow weir provided in a grit chamber ?
A.	To reduce the suspended solids entering into the grit chamber
B.	To maintain the constant flow depth in the grit chamber
C.	To take care of maintaining constant flow velocity in the grit chamber over a certain depth range
D.	To allow the sewage afresh into the grit chamber
Answer» D. To allow the sewage afresh into the grit chamber

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Why is a proportional flow weir provided in a grit chamber ?

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