Study guides, Class notes & Summaries

Wastewater Treatment Operator Certification Test #2 | 80 Questions and Correct Answers 2024/2025 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 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...

Wastewater Treatment Operator Certification Test #1 | Actual 80 Questions & Verified Solutions 2024/2025 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 - Answer - 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 - ...

WASTEWATER PRACTICE EXAM

WASTEWATER EXAM CLASS C 2024 WITH 100% ACCURATE SOLUTIONS

WASTEWATER CLASS C.WITH 100% VERIFIED QUESTIONS AND ANSWERS.A+ GRADED.2024/2025.WASTEWATER CLASS C.WITH 100% VERIFIED QUESTIONS AND ANSWERS.A+ GRADED.2024/2025.WASTEWATER CLASS C.WITH 100% VERIFIED QUESTIONS AND ANSWERS.A+ GRADED.2024/2025.WASTEWATER CLASS C.WITH 100% VERIFIED QUESTIONS AND ANSWERS.A+ GRADED.2024/2025.WASTEWATER CLASS C.WITH 100% VERIFIED QUESTIONS AND ANSWERS.A+ GRADED.2024/2025.WASTEWATER CLASS C.WITH 100% VERIFIED QUESTIONS AND ANSWERS.A+ GRADED.2024/2025.WASTEWAT...

What are three physical factors that determine facultative pond efficiency? - Temperature, short-circuiting, depth. Organisms that are both aerobic and anaerobic are called what? - Facultative. When the DO drops to <1 or <2 nitrification. - Decreases remain the same. The conversion of ammonia to nitrate is called what? - Nitrification.

In order for a pond to be functioning correctly________ must be taking place. A. photosynthesis B. rapid temperature changes C. rapid pH changes D. rapid DO changes E. alkalinity changes - A

3 years - How long must all records of monitoring activities and results be retained? 180 days - How soon before the expiration date should the permittee submit a new application for an NPDES permit? Bypass - A "______" is the intentional diversion of waste streams from any portion of an industrial user's treatment facility.

Wastewater Treatment Facilities: Anaerobic ponds usually range in depth from___-___ft - 8-12ft Wastewater Treatment Facilities: Another name for a waste stabilization pond is - raw wastewater lagoon

(New Mexico Wastewater Systems Operator Certification Study Manual) Typical Primary Clarifier Efficiencies: Settleable Solids expected removal efficiency _____% to _____% - Typical Primary Clarifier Efficiencies: Settleable Solids expected removal efficiency 95% to 99% (New Mexico Wastewater Systems Operator Certification Study Manual) Typical Primary Clarifier Efficiencies: Suspended Solids expected removal efficiency _____% to _____% - Typical Primary Clarifier Efficiencies: Suspended So...