In the F:M ratio, the 'food' is represented by which parameter?

Prepare for the Wisconsin DNR Wastewater Operator Certification Exam. Benefit from flashcards and multiple-choice questions with hints and explanations. Gear up for your certification test!

Multiple Choice

In the F:M ratio, the 'food' is represented by which parameter?

Explanation:
The "food" in the F:M ratio is the biodegradable organic matter available for the microorganisms to consume. BOD measures this biodegradable organic load, so it represents the food for the microbial population. MLSS is the microbial biomass itself, DO is oxygen, and TSS is total suspended solids; none of those are the food source for growth in the ratio.

The "food" in the F:M ratio is the biodegradable organic matter available for the microorganisms to consume. BOD measures this biodegradable organic load, so it represents the food for the microbial population. MLSS is the microbial biomass itself, DO is oxygen, and TSS is total suspended solids; none of those are the food source for growth in the ratio.

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