Activated sludge exam - Study guides, Class notes & Summaries

Class C Wastewater Exam Questions and Answers Latest 2024/2025 (Graded A+) A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to : A. Increase the RAS Flow B. Reduce Wasting Rates C. Increase dissolved oxygen levels. D. Increase the F/M ratio by wasting more E. Increase the sludge age by wasting less. - ANSWER-D. Increase the F/M Ratio by Wasting More Which of the following flow rates sho...

Treatment 2 Wastewater Operator certification Study Guide Exam GradedA General Wastewater Treatment: What is the pressure head caused by? Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? purple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. piezometric surface General Wastewater Treatment: In general, what is the maximum practical lift of pumps...

Texas Wastewater Class B Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct Q: In order to be a good communicator, what else do you need to be? Answer: Listener Q: During Nitrification, which organisms use ______ for food? Answer: Nitrates Q: In an Activated Sludge Treatment Process what is the most predominant organism? Answer: Ciliates and rotifers with few flagellates. Q: The Detention Time in a Contact Stabilization ...

Class C Wastewater Exam Questions and Answers 2024/2025 (Graded A+) The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. - ANSWER-C. Is an Aerobic biological process A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to : ...

Wastewater Exam Class C QuestioThe Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. -ANSWER C. Is an Aerobic biological process A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to : A. Increase the RAS Flow B. Reduc...

Texas Wastewater Class B Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct | Grade A Q: Ways to reduce bad odors coming from a collection system Answer: routinely cleaning slow running or low flow lines, adding chlorine or hydrogen peroxide to the collection system Q: Types of pipe that are commonly used in wastewater collection system Answer: ductile iron, Poly Vinyl Chloride (PVC) Q: Before entering a confined space a worker should A...

Operation of Wastewater Treatment prep complete exam questions and verified answers 2024/2025 An Imhoff cone is used to measure________solids. A. suspended B. colloidal C. volatile D. settleable D. settleable (Operation of Wastewater Treatment Plants, Volume 1 by Kenneth D. Kerri) A _____ flume is widely used for measuring wastewater flow. Parshall (Operation of Wastewater Treatment Plants, Volume 1 by Kenneth D. Kerri) Velocity of flow in a grit channel must be reduced ...

Class C Waste water Exam A-graded Final Certification Exam The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. - CORRECT ANSWER-C. Is an Aerobic biological process A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to...

Texas Wastewater Class A Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct Q: Before entering a confined space a worker should Answer: Use approved monitoring device and check for the presence of dangerous gasses, ventilate the space with a blower, wear a safety harness and attach a life line Q: A properly designed and operated primary sedimentation tank should remove _____ percent of incoming BOD Answer: 30-40% Q: Devices that may be...