Texas Wastewater Class B Practice Exam

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Prepare for the Texas Wastewater Class B Exam. Study with flashcards and multiple choice questions, each question accompanied by hints and explanations. Ace your exam!

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Which type of solids are defined as small particles that do not settle?

Settable Solids
Volatile Solids
Non-settleable Solids
Inorganic Solids

The correct answer is: Non-settleable Solids

The correct answer is indeed Non-settleable Solids. These solids are characterized by their small particle size, which prevents them from settling out of suspension within a liquid. In wastewater treatment, understanding the behavior of different types of solids is crucial, as it impacts both the effectiveness of the treatment process and the quality of the effluent. Settable Solids, on the other hand, are those that can settle to the bottom of a basin or container under the influence of gravity. Volatile Solids refer to organic matter that can be vaporized upon heating and are often a measure of the organic content in the wastewater. Inorganic Solids consist of non-organic materials that do not decompose and can vary in their settling characteristics. Recognizing the distinctions between these solid types helps inform the operational strategies for effective wastewater management.