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 are mostly removed in the grit channel?

  1. sand, eggshells, cinders, and heavier particulate matter

  2. organics and dissolved substances

  3. microorganisms

  4. gases and odors

The correct answer is: sand, eggshells, cinders, and heavier particulate matter

In a grit channel, larger and heavier particles are removed in order to prevent damage to downstream equipment. Option B is incorrect because organics and dissolved substances are generally removed in the primary treatment process. Option C is incorrect because microorganisms are an essential part of the secondary treatment process. Option D is incorrect because gases and odors are typically addressed with separate treatment processes.

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