Civil Engineering :: Waste Water Engineering
- In the activated sludge process
- With self cleansing velocity in sewers
- In areas where rainy season is limited to a few months, the type of sewerage system recommended is
- For trunk and out-fall, the type of sewers generally used, is
- The spacing of bars of perforations of fine screens used for the treatment of sewage, is
- The spacing of bars for perforations in coarse screens used for the treatment of sewage, is
- Before discharging the foul sewage into rivers, it is generally treated by
- The following is the physical characteristic of sewage
- If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains
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