CWEA Collection Systems Maintenance Grades 2 (2024 / 2025 Update) Exam | Questions and Verified Answers | 100% Correct | Grade A
Question:
What four conditions are necessary to create an explosion?
Answer:
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen.
Question:
What does "transition area" mean in traffic control?
Answer:
Moves traffic out of its normal path
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Question:
The term "transition area" is one component of a:
Answer:
Traffic Control Zone
Question:
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.
Question:
What key factors would you need to address when developing an S.O.P. for Lift Station failure?
Answer:
Traffic control plan, by-pass connections, and spill containment.
Question:
"Spring Blades" are a type of tool used with:
Answer:
Power Rodder 2 / 3
Question:
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for:
Answer:
Sewer rodding
Question:
What tool would you use to cut VCP pipe?
Answer:
Chain pipe cutter
Question:
Which conditions should a gas detection device test for?
Answer:
Hydrogen Sulfide, explosive/flammable gases, oxygen.
Question:
What does "LEL" mean on a gas detection meter?
Answer:
Lower explosive limit
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