Civil Engineering :: Waste Water Engineering
- Design period of 40 to 50 years is adopted for
- The rate of accumulation of sludge per person per year, is
- The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is
- To maintain aerobic biological activity, the moisture content of the compost mass should be about
- A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of
- Pick up the incorrect statement from the following for allowing workers to enter sewers
- Imhoff cone is used to measure
- The normal values of over flow rates for secondary sedimentation tanks, ranges between
- The normal value of over flow rates for plain primary sedimentation tanks, ranges between
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