Wastewater b test 1 - Study guides, Class notes & Summaries

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 - ...

TEXAS Wastewater Class A Exam - Complete Solutions (Answered) The parameters of the BOD test are 5 days at 20° Centigrade An Imhoff tank is what type of treatment process? Primary Standard Dimension Ratio in pve pipe is defined as Ratio of OD pipe diameter to wall thickness MSDS sheets must be kept for how many years after you have stopped using the chemical? 30 A pneumatic ejector is a lift station pumping device How should shoring be removed from a trench? from the bottom up The most commo...

Wastewater Treatment Operator Certification Test #1 Questions with complete solution 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 - Correct Answers-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 - Correct ...

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...

Wastewater Treatment Operator Certification Test Study Guide (Questions and Answers) Latest 2024/2025. 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 Bacteri...

Test Bank for Modern Dental Assisting, 13th Edition, Doni Bird, Debbie Robinson Acute chemical toxicity results from high levels of exposure over a short period. The victim feels the effects immediately and may show symptoms of dizziness, fainting, headache, nausea, or vomiting. A chronic chemical toxicity involves repeated exposures over a long period. Chemical resistance refers to a material that prevents the hazardous chemical from being in contact w...

Wastewater Treatment Operator Certification Test #1 Complete Questions And Answers 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 - answerC) 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 - answerD) Decrease the pH ...

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...

Wastewater Treatment Operator Certification Test #1 Complete Questions And Answers 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 - answerC) 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 - answerD) Decrease the pH ...