WasteWater Operator class C Exam Practice Review Questions with Correct Answers 2023/2024
When Chlorine is combined with water what type of pipe should be used? A. Ductile iron B. Asbestos concrete C. PVC D. Carbon Steel - Correct Answer C. PVC A good settling sludge would consist of what type of protozoa? A. Rotifers and nematodes B. Amoebas and Flagellates C. Stalked ciliates and mastagoria D. Free swimmers and stalk ciliates - Correct Answer D. Free swimmers and stalk ciliates What is Phenolphylein used for in titration A. Oxidizer B. Indicator C. Acid reducer to lower pH D. Applicator - Correct Answer B. Indicator Your plant has an influent of 220 BOD and 163 TSS, and an effluent of 10 BOD, and 6 TSS. What is the BOD removal efficiency in your plant? A. 92% B. 94% C. 95% D. 96% - Correct Answer C. 95% You suspect your anaerobic digester is going sour. What is the best way to verify its condition? A. pH B. Foam type C. VA/ALK ratio D. DO - Correct Answer C. VA/ALK ratio Before operating any piece of equipment what should be done?
École, étude et sujet
- Établissement
- WasteWater Operator class C
- Cours
- WasteWater Operator class C
Infos sur le Document
- Publié le
- 11 août 2023
- Nombre de pages
- 17
- Écrit en
- 2023/2024
- Type
- Examen
- Contient
- Questions et réponses
Sujets
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when chlorine is combined with water what type of
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a good settling sludge would consist of what type
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what is phenolphylein used for in titration a ox
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your plant has an influent of 220 bod and 163 tss
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