Discussion :: Waste Water Engineering
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. Pick up the correct statement from the following :
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A.
Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers |
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B.
4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in river |
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C.
Solubility of oxygen in sewage is 95% of that of distilled water |
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D.
Dissolved oxygen content of sewage, may be determined by Winkler's method |
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E.
All the above. |
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Answer : Option E
Explanation :
No answer description available for this question.
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