Wastewater practice test Study guides, Class notes & Summaries

Final Complete study guide for wastewater practice exam 2024/2025 Odors occur when treatment becomes Anaerobic What should an operator do before entering a manhole Test for all hazardous gases and oxygen levels and ventilate the manhole before entering What treatment devices is commonly used to separate and remove large solids from raw wastewater a mechanically raked bar screen What diseases are caused by pathogenic organisms that may be present in raw wastewater? Hepatitis, ...

CWEA Collection Systems Maintenance Practice Questions for CWEA Grade 1 and 2 Tests with Verified Answers| 100% Correct| 100% Score Why are gasoline and volatile solvents objectionable when present in a sewer? - They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless - You know what you are doing, are qualified and are authorized What are the different areas of traffic zones? - Advan...

hazwoper 8 hour refresher test (Answered 100% Correctly) Latest 2024 hazwoper 8 hour refresher test (Answered 100% Correctly) Latest 2024 Which of the following is NOT a likely cause of a hazardous substance accident? A Broken or rusted pipes B Following standard operating procedures C Faulty valves or transfer hoses D Leaking tank b What is a hazardous substance? A Any substance defined under section 101(14) of CERCLA B Any biological agent and other disease-causing agen...

Grade 2 Wastewater Treatment Operator Practice Exam Q&A 2024/2025 What is the methane content in a properly operating anaerobic digester? - CORRECT ANSWER-65 to 70% by volume What will the addition of chlorine gas do to the pH of wastewater? - CORRECT ANSWER-decrease the pH What is the purpose of a Parshall Flume? - CORRECT ANSWER-Measure the flow rate What is the typical removal efficency of settleable solids in a primary clarifier? - CORRECT ANSWER-95 to 99% Which of the follwing i...

OSSF DR TEST PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS _______ and ________ soil textural classes are always unsuitable for standard absorptive OSSF - Correct Answer ️️ -class IA and IV List each of the major soil horizons - Correct Answer ️️ -surface soil A, surface soil B, and parent material _____________ is a term describing the ability of water to migrate through a soil profile under either _________ or __________ conditions. - Correct Answer ️️ -Hydraulic conductivit...

REHS/RS Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Graded | Verified. What is the most common cause for bacterial meningitis in children under five years of age? - Correct Answer-Haemophilus influenza type B How is giardiasis usually transmitted to others? - Correct Answer-person-to-person transfer of cysts from the feces of the infected individual Which of the following duties of state and local health agencies is intended to ensure that the public's health and we...

CWEA Collections Grade 2 Practice Test With Correct Answers Why are gasoline and volatile solvents objectionable when present in a sewer? They produce an explosion hazard You should never attempt to install, troubleshoot, maintain, repair, or replace electrical equipment unless: You know what you are doing, are qualified, and are authorized. How many different areas of traffic zones are there when working in roadways? Five Why should hydrogen sulfide be controlled? To protect sewers an...

CWEA CSM GRADE 2 - PRACTICE TEST QUESTIONS & ANSWERS In order to accurately estimate the flow of a sanitary sewer overflow (SSO) you must have: - ANS-Spill start time, spill end time and spill rate Providing a plan and schedule to properly manage, operate and maintain all parts of the sanitary sewer system is the goal of a: - ANS-A sewer system management plan (SSMP) What are the basics elements of a safety program? - ANS-Safety policy, statement, safety training, accident investigation...

wastewater practice exam Questions And Answers Odors occur when treatment becomes - ANS Anaerobic What should an operator do before entering a manhole - ANS Test for all hazardous gasses and oxygen levels and ventilate the manhole before entering What treatment devices is commonly used to separate and remove large solids from raw wastewater - ANS a mechanically raked bar screen What diseases are caused by pathogenic organisms that may be present in raw wastewater? - ANS H...