Wastewater collection - Study guides, Class notes & Summaries

©BRAINBARTER 2024/2025 Study Guide California Designated Operator ( 16). Exam Questions With Verified Answers The following are not "underground storage tanks" - answer1. A farm Tank 2. A heating oil tank 3. A hydraulic lift tank 4. A liquefied petroleum gas tank 5. A septic tank 6. A sump, pit, pond or lagoon 7. A wastewater treatment tanks except if it is part of a UST system 8. A pipeline located in a refinery except if it is connected to an underground storage tank 9. A storm w...

True or False persons responsible for the operation and maintenance of wastewater collection systems usually are the ones responsible for the design and construction of these systems. Correct Answer false True or False the wastewater in collection systems is usually conveyed by pumping. Correct Answer false True or False inflow is the seepage of groundwater into a sewer system, including service connections. Correct Answer false True or False velocities in sewers should be calculate...

Turbidity in wastewater is caused by A. color B. dissolved calcium C. hardness D. finely divided suspended material - correct answer D. finely divided suspended material The gas most commonly associated with septic wastewater is A. carbon dioxide B. carbon monoxide C. hydrogen sulfide D. methane - correct answer C. hydrogen sulfide How many cubic meters per second in 10 MGD? A. 0.44 B. 1.44 C. 4.73 D. 24.62 - correct answer A. 0.44 Mechanical ventilation of a lift station is...

CWEA Operation and Maintenance of Wastewater Collection System Volume II Questions And Correct Answers Lift station. What is the most important requirement of a lift station? - ANSWER 1. Economics . 2. Operation and maintenance. 3. Reliability. 4. Safety. Why should the design of a lift station take into consideration any humid atmosphere in the station? - ANSWER 1. To avoid making operators sweat profusely. 2. To keep moisture from hindering light passing through the window. 3. To...

WASTEWATER COLLECTIONS III QUESTIONS

WASTEWATER COLLECTIONS Exam Questions And Answers (Verified And Updated) wastewater force main pressure rating is. a. 75 b. 100 c. 125 d. 150 e. 200 - answerd. 150 the most critical factors of the final grade of a gravity wastewater pipe should be? a. alignment b. choice of pipe materials c. choice of leveling equipment d. choice of excavating equipment e. choice of pipe bedding - answere. choice of pipe bedding setting goals works best when? a. accompanied by an action plan b. ...

Introduction to Wastewater Collection Chapter 1 Question and answers rated A+ 2024/2025 Introduction to Wastewater Collection Chapter 1 Gravity Flow - correct answer Water or wastewater flowing from a higher elevation to a lower elevation due to the force of gravity. The water does not flow due to the energy provided by a pump. Wherever possible, wastewater collection systems are designed to use the force of gravity to carry waste liquids and solids. Infiltration - correct answer The ...

The Wastewater Treatment B Test Questions And Answers All Verified Liftstations at a treatment plant or those which discharge directly to a treatment plant with an average flow greater than 0.1 MGD shall have three or more pumps or have automatically controlled variable capacity pumps, these pumps should be adjusted to actual flow conditions and controlled to operate so as to: - ANS Minimize surges in the treatment in the treatment units. In the contact stabilization system of activa...

The Operator. What is another term for wastewater collection system? 1. Sewerage system. 2. Distribution system. 3. Pipes, pumps, and plants. 4. Sewers. What is meant by operation and maintenance of wastewater collection system? 1. Keeping the facilities in good operating condition. 2. Bypassing raw wastewater from the collection system. 3. Keeping the trucks operating. 4. Working with other utility agencies. What can happen when flows in excess of the sewer capacity occur?...