Cwea collec Study guides, Class notes & Summaries

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. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours D. Within 2 hours When working in confined spaces or sewers, what form of lighting would you...

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 and structures from corrosion Personnel entering a Permi...

CWEA Collections Grade 4 2024 Exam Prep| Questions and Verified Answers| 100% Correct| Grade A Q: BECP: Business Emergency and Contingency Plan Q: BNR Answer: biological nutrient removal Q: BOD5 Answer: biochemical oxygen demand after 5 days Q: BTU Answer: British thermal unit Q: C Answer: Celsius Q: Cal-OSHA Answer: California Occupational Safety and Health Act Q: Cal-EPA Answer: California Environmental Protec...

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 Grade 4 Exam Prep | 2024 / 2025 Update Questions and Verified Answers | 100% Correct | Grade A Q: BECP: Business Emergency and Contingency Plan Q: BNR Answer: biological nutrient removal Q: BOD5 Answer: biochemical oxygen demand after 5 days Q: BTU Answer: British thermal unit Q: C Answer: Celsius Q: Cal-OSHA Answer: California Occupational Safety and Health Act Q: Cal-EPA Answer: California Environmental Protection Administration Q: CBOD Answer: carbonaceous biochemical oxygen ...

CWEA Collections Grade 3 2024 Exam| 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 ...

CWEA Collection Systems Maintenance (140 Questions with 100% Correct Answers)

CWEA Collections Grade 2 2024 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 "transition area" is one component of a: Answer: Traffic Control Zone Q: What elements should...

CWEA Collection Systems Maintenance Grades 1 & 2 Bundled Together| 2024 Questions and Verified Answers| 100% Correct| Grade A Q: what elements should be considered to improve worker safety in High speed Temporary Traffic control Zones? Answer: Rerouting traffic around the work site, positioning of law enforcement officers in the temporary traffic control zone, and work zone training Q: What key features would you need to address when developing an S.O.P. for a Lift Station failur...