California Wastewater Treatment Operator Practice Exam

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Prepare for the California Wastewater Treatment Operator Exam. Gain knowledge through multiple-choice questions and flashcards. Understand key concepts and regulations essential for wastewater treatment operations in California.

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What should be scheduled every 3 months for a flamer arrester in an anaerobic digester?

maintenance
cleaning
replacement
upgrade

The correct answer is: maintenance

The flamer arrester in an anaerobic digester is an important safety device that removes any flames or sparks from the digester's exhaust. To ensure its proper function and minimize any potential risks, maintenance should be scheduled every 3 months. This involves inspecting and servicing the device to ensure it is still functioning effectively and replacing any worn out or malfunctioning parts. The other options, such as cleaning, replacement, or upgrade, may be necessary at some point for the flamer arrester, but they do not need to be done every 3 months. Therefore, A is the most appropriate answer.