Civil Engineering :: Waste Water Engineering
- A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is
- The gas which may cause explosion in sewers, is
- The rate of accumulation of sludge in septic tanks is recommended as
- Disposal to sewage in large cities, is done in
- A well oxidized sewage contains nitrogen mainly as
- The settlement of a particle in sedimentation tank, is affected by
- Skimming tanks are
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