CWEA Collections Grade 2 Practice Test/ 74
Q&A/ 2024-2025.
What four conditions are necessary to create an explosion? - Answer:
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and
oxygen.
What does "transition area" mean in traffic control? - Answer: Moves traffic out of
its normal path
The term "transition area" is one component of a: - Answer: Traffic Control Zone
What elements should be considered to improve worker safety in High Speed
Temporary Traffic Control Zones? - Answer: Rerouting traffic around the work site,
Page 1 of 12
, positioning of law enforcement officers in the temporary traffic control zone, and
work zone training.
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.
"Spring Blades" are a type of tool used with: - Answer: Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for: - Answer:
Sewer rodding
What tool would you use to cut VCP pipe? - Answer: Chain pipe cutter
Which conditions should a gas detection device test for? - Answer: Hydrogen
Sulfide, explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter? - Answer: Lower explosive limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below: - Answer: 19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment,
what program should be addressed as a primary safety guideline? - Answer: The
L.O.T.O. (Lock Out Tag Out) Program
Page 2 of 12
Q&A/ 2024-2025.
What four conditions are necessary to create an explosion? - Answer:
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and
oxygen.
What does "transition area" mean in traffic control? - Answer: Moves traffic out of
its normal path
The term "transition area" is one component of a: - Answer: Traffic Control Zone
What elements should be considered to improve worker safety in High Speed
Temporary Traffic Control Zones? - Answer: Rerouting traffic around the work site,
Page 1 of 12
, positioning of law enforcement officers in the temporary traffic control zone, and
work zone training.
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.
"Spring Blades" are a type of tool used with: - Answer: Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for: - Answer:
Sewer rodding
What tool would you use to cut VCP pipe? - Answer: Chain pipe cutter
Which conditions should a gas detection device test for? - Answer: Hydrogen
Sulfide, explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter? - Answer: Lower explosive limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below: - Answer: 19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment,
what program should be addressed as a primary safety guideline? - Answer: The
L.O.T.O. (Lock Out Tag Out) Program
Page 2 of 12
