Civil Engineering :: Waste Water Engineering
- 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is
- 1000 kg of sewage contains
- A circular sewer section is preferred to because
- In a fully mechanised composting plant, involves
- For drainage pipes in buildings the test applied before putting them to use, is
- During purification process of sewage the gas given off, is
- Antisyphonage pipe is fitted
- The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is