09_11_23_EXAM_3_EVEG_3110_ver_3.docx

09_11_23_EXAM_3_EVEG_3110_ver_3.docx - Exam #3: Wastewater...

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Exam #3: Wastewater Treatment November 23, 2009 Lectures covered: L12; L15-L18;L18c; L19 and words of wisdom from class. Short Concise Answers (10 pts) 1. Name and describe two of the four principle removal mechanisms in a sand filter. (10 pts) 2. What are the two processes typically used in “Preliminary Treatment” of a domestic waste water flow? (10 pts) 3. Distinguish between Type I settlement and Type II settlement? Which one does Stokes Law best apply to? (10 pts) 4. What does the term “MLVSS” translate to? Why is important in the activated sludge process? (10 pts) Multiple Choice (3 pts each, best choice only): 1. Reduction of organic content in a sludge A) thickening B) drying C) stabilization D) disinfection 2. Captures and removes generated bio-solids in a typical domestic WTTP plant: A) Primary clarifier B) Digester C) Sand filter D) Secondary clarifier 3. Crapper invented: A) a toilet Seat, B) Imhoff cone, C) a septic tank D) an elevated flush tanK 4. Not a suspend growth system: A) activated sludge B) aerated lagoon C)
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This note was uploaded on 05/20/2010 for the course EVEG 3110 taught by Professor Malone during the Spring '10 term at LSU.

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09_11_23_EXAM_3_EVEG_3110_ver_3.docx - Exam #3: Wastewater...

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