Wastewater treatment oper Study guides, Class notes & Summaries

Wastewater Treatment Operator Certification Test 2023 Questions and Answers (Verified Answers) Wastewater Treatment Operator Certification Test 2023 Questions and Answers (Verified Answers)

Wastewater Treatment Operator Certification Test #1 ANSWERS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

Wastewater Treatment Operator Certification Test #2 2022/2023 Quiz

Wastewater Treatment Operator Certification Test #4 Latest Update 2022/2023

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...

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...