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Municipal solid waste miscellaneous
  1. A circular primary clarifier processes an average flow of 5005 m³/d of municipal wastewater. The overflow rate is 35 m³/d. The diameter of clarifier shall be
    1. 10.5 m
    2. 11.5 m
    3. 12.5 m
    4. 13.5 m
Correct Option: D

Area =
Q
 =
5005
 = 143 m²
OFR35

π
 × D² = 143m²
4

∴ D = 13.5 m


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