Wastewater b test 2024 Study guides, Class notes & Summaries

REHS Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. r...

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 - CORRECT ANSWER-D. settleable (Operation of Wastewater Treatment Plants, Volume 1 by Kenneth D. Kerri) A _____ flume is widely used for measuring wastewater flow. - CORRECT ANSWERParshall (Operation of Wastewater Treatment Plants, Volume 1 by Kenneth D. Kerri) Velocity of flow in a gri...

REHS/RS Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Graded | Verified. 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 welfare are protected? - Correct Answer-Regulatory responsibilities What is a measure of the amount of light scattered by particles suspende...

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...

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...

Final disposal of sludge may include all of the following except Choose one answer. a. composting b. sanitary landfill c. land application d. vegetable garden dumping d. vegetable garden dumping A watertight tank designed to slow down the movement of raw sewage and wastes passing through to the soils is known as a Choose one answer. a. pit privy b. spring house c. septic tank d. grease trap c. septic tank Sludge and scum accumulation, and the appearance of particles of solids in t...

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 Treatment Operator Certification Test 2 final study guide 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% - CORRECT 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 flowing i...

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...