Question 6012 of 234 · California Wastewater Operator Exam

Sludge drying beds work by

Exactly one answer is correct.

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Correct answer to question 6012

  • C: draining and evaporating water from the sludge

Explanation

Water drains through the sand and evaporates from the surface. Good weather and a sludge depth of about 8 to 12 inches speed drying.

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