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Waste Water Operator class C exam 2024/2025 Review Questions and Answers correct verified

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Waste Water Operator class C exam 2024/2025 Review Questions and Answers correct verified 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? A. Lock out Tag out (remember, safety first!) B. Read O & M manual C. Read manufacturers manual D. Notify supervisor - CORRECT ANSWER-C. Read manufacturers manual Detritus is noticed in your grit channel. What is the problem?

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  • waste water operator class c exam revie
  • when chlorine is combined with water what type of
  • amperometric titration is used to measure
  • why is an aerobic digester covered
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