Wastewater treatment Study guides, Class notes & Summaries

What is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume (Ans- C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) Moderately increase pH B) pH will not be affected C) Significantly increase the pH D) Decrease the pH (Ans- D) Decrease the pH (v.1 pg 349-350) What is the purpose of a Parshall flume? A) measure turb...

Wastewater Treatment Operator Certification Test Questions and Answers Latest 2024/2025 | 100% Correct. The name of the State Agency responsible for enforcing pollution control laws in Texas is – a. Texas Water Development Board b. Texas Water Commission c. Texas Section of EPA d. Texas Commission on Environmental Quality e. Texas Water Resource and Conservation Commission 2. The term pathogenic means – a. Aerobic Bacteria b. Anaerobic Bacteria c. Fecal Matter d. Coliform Bacter...

Wastewater Treatment Operator Certification Test #1 Questions and Answers (Graded A)Wastewater Treatment Operator Certification Test #1 Questions and Answers (Graded A)Wastewater Treatment Operator Certification Test #1 Questions and Answers (Graded A)Wastewater Treatment Operator Certification Test #1 Questions and Answers (Graded A)Wastewater Treatment Operator Certification Test #1 Questions and Answers (Graded A) What is the methane content in a properly operation anaerobic digester? 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 ...

ENG1502 Assignment 3 (DETAILED ANSWERS) 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references ..... Water crisis in South Africa A new report by South Africa’s Department of Water and Sanitation paints a grim picture of the quality of the country’s drinking water, and its water infrastructure. The Blue Drop Audit Report is meant to ensure that water service authorities are held accountable for providing safe drinking wat...

Wastewater Treatment Operator Certification Test #2 with Complete SolutionsWastewater Treatment Operator Certification Test #2 with Complete SolutionsWastewater Treatment Operator Certification Test #2 with Complete SolutionsWastewater Treatment Operator Certification Test #2 with Complete Solutions What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% - ANSWER-C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio ...

An Imhoff cone is used to measure________solids. A. suspended B. colloidal C. volatile D. settleable (Ans- D. settleable (Operation of Wastewater Treatment Plants, Volume 1 by Kenneth D. Kerri) A _____ flume is widely used for measuring wastewater flow. (Ans- Parshall (Operation of Wastewater Treatment Plants, Volume 1 by Kenneth D. Kerri) Velocity of flow in a grit channel must be reduced to a range of ____ to _____ fps in order for grit to properly settle. (Ans- .7 to...

Preliminary Treatment the 1st stage of sewage treatment where large debris, such as sticks, grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed enough to allow for sedimentation. What stage of treatment is grit removal usually accomplished in? preliminary treatment Rotating Biological Contactor a type of biological secondary treatment process How are protozoa (cause of amoebic dysentery) destroyed? disinfection Other than stream discharge, what...

What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% (Ans- C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteria in the activated sludge process C) The MLVSS in the aeration tank D) The food for the microorganisms flowing into the aeration tank, in lbs/day (Ans- D) The food for the microorganisms flowing in...

Wastewater Treatment Operator Certification Test.