Cwea coll - Study guides, Class notes & Summaries

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 equ ipment 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? - Advance Warning Area, Transition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5, justify your answer on t...

CWEA COLLECTION SYSTEMSMAINTENANCE GRADE 3 EXAM 80+ QUESTIONS AND CORRECT ANSWERS 2023 COMPLETE. CWEA Collections System Maintenance Grade 3 1. A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above.: D. As stated in "A" or "B" above. 2. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 day...

QUESTIONS AND ANSWERS

CWEA Collections System Maintenance Grade 3 Questions and Answers (2023/2024) (Verified Answers)

CWEA Collections Grade 3 Exam | 2024 / 2025 Update Questions and Verified Answers | 100% Correct | Grade A Q: Which chemical may be used for odor control in a sewer system? a. Calcium chloride b. Hydrogen peroxide c. Oxidized aluminum d. Sodium chloride Answer: b. Hydrogen peroxide Q: What information must be on a warning tag attached to a switch that has been locked out? a. Directions for removing tag. b. Name of nearest physician to call in case of emergency. c. Signature of person who locked ...

CWEA Collections System Maintenance Grade 3 | 82 Questions with 100% Correct Answers

CWEA Collection Systems Maintenance Grades 1 (2024 / 2025 Update) Practice Questions and Verified Answers | 100% Correct | Grade A Q: The lack of an unpleasant odor in a manhole, loft station, or other structures does not always mean that dangerous gases aren't present because: Answer: Some dangerous gasses have no odor. Q: What should be considered when providing trench shoring? Answer: Depth of trench ( anything over 5' needs shoring) Q: Excavations & adjacent areas must be inspected on a da...

CWEA Collection Systems Maintenance Grades 2 (2024 / 2025 Update) Practice Questions and Verified Answers | 100% Correct | Grade A Q: What affects the flow capacity of a sewer line? Answer: Pipe size, pipe, material, grade Q: When a grade conflict exists between a Water main and a sewer main, which of the following is the best solution? Answer: Have the Water main adjusted and hold the grade on the sewer main Q: Why is the replacement of wastewater collection systems in some downtown streets dif...

CWEA Collection Systems Maintenance Grades 2 (2024 / 2025 Update) Exam | Questions and Verified Answers | 100% Correct | Grade A Q: What four conditions are necessary to create an explosion? Answer: Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen. Q: What does "transition area" mean in traffic control? Answer: Moves traffic out of its normal path Q: The term

CWEA Collections System Maintenance Grade 3(Questions And Answers)2023