Civil Engineering :: Waste Water Engineering
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Dilution method of disposing off sewage, is not preferred to
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If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is
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Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to
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For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is
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Disposal to sewage in large cities, is done in
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For the COD test of sewage, organic matter is oxidised by K2Cr207 in the presence of
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In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept