Distribution Questions

Practice Question: Chlorination and pH

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Which of the following disinfectants will lower the water’s pH? A) Sodium hydroxide B) Calcium hypochlorite C) Chlorine gas D) Sodium hypochlorite Show the answer... C) Chlorine Gas When mixed with water, chlorine gas causes a chemical reaction which produces hypochlorous acid, resulting in a lower...

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Practice Question: Water System Evaluation

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A detailed evaluation and/or inspection of a source of water supply and all conveyances, storage treatment and distribution facilities to ensure protection of the water supply from all pollution sources is called a A) Source Wwater Survey B) Raw water survey C) Pollution...

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