Pick up the correct statement from the following :-A-Hydrogen sulphide gas in excess, may cause corrosion of concrete sewersB-4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in riverC-Solubility of oxygen in sewage is 95% of that of distilled waterD-Dissolved oxygen content of sewage, may be determined by Winkler's methodE-All the above.-E-All the above.

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APTITUDE CRACK · Accepted Answer

E All the above. The correct statement from the options provided is: All the above. Each of the statements listed is accurate: Hydrogen sulphide gas in excess may cause corrosion of concrete sewers. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in the river. The solubility of oxygen in sewage is 95% of that of distilled water. Dissolved oxygen content of sewage may be determined by Winkler&#39;s method. Therefore, the correct option is that all of the statements are correct.

Waste Water Engineering

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Waste Water Engineering

Pick up the correct statement from the following :

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