California Wastewater Treatment Operator Practice Exam

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Study for the California Wastewater Treatment Operator Exam. Use flashcards and multiple-choice questions with detailed explanations to boost your readiness. Prepare with confidence and aim for success!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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How often should an anaerobic digester be fed?

several times a day
twice a week
once a month
as needed

The correct answer is: several times a day

An anaerobic digester should be fed several times a day in order to maintain an optimal level of microorganisms and keep the process of digestion running smoothly. Feeding the digester too infrequently (such as once a month or as needed) can lead to an overgrowth of the microorganisms and an imbalance in the digestion process. Twice a week is a more frequent feeding schedule, but still may not be enough to maintain the necessary balance in the digester. Therefore, the most appropriate option is several times a day.