CWEA Collections Grade 2 Practice Test CWEA Collections Grade 2 Practice Test 2026-03-04
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 Permit Required Confined Space must have the following training:
Entry and rescue procedures
Page 1 CWEA Collections Grade 2 Practice Test.pdf
,CWEA Collections Grade 2 Practice Test CWEA Collections Grade 2 Practice Test 2026-03-04
To find proper protective gear before application of a product, you would:
Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is:
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous gases are not present
because:
Some dangerous gases have no odor
What four conditions are necessary to create an explosion?
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen.
What does "transition area" mean in traffic control?
Moves traffic out of its normal path
Page 2 CWEA Collections Grade 2 Practice Test.pdf
, CWEA Collections Grade 2 Practice Test CWEA Collections Grade 2 Practice Test 2026-03-04
The term "transition area" is one component of a:
Traffic Control Zone
What elements should be considered to improve worker safety in High Speed Temporary Traffic Control
Zones?
Rerouting traffic around the work site, 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?
Traffic control plan, by-pass connections, and spill containment.
"Spring Blades" are a type of tool used with:
Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for:
Sewer rodding
Page 3 CWEA Collections Grade 2 Practice Test.pdf
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 Permit Required Confined Space must have the following training:
Entry and rescue procedures
Page 1 CWEA Collections Grade 2 Practice Test.pdf
,CWEA Collections Grade 2 Practice Test CWEA Collections Grade 2 Practice Test 2026-03-04
To find proper protective gear before application of a product, you would:
Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is:
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous gases are not present
because:
Some dangerous gases have no odor
What four conditions are necessary to create an explosion?
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen.
What does "transition area" mean in traffic control?
Moves traffic out of its normal path
Page 2 CWEA Collections Grade 2 Practice Test.pdf
, CWEA Collections Grade 2 Practice Test CWEA Collections Grade 2 Practice Test 2026-03-04
The term "transition area" is one component of a:
Traffic Control Zone
What elements should be considered to improve worker safety in High Speed Temporary Traffic Control
Zones?
Rerouting traffic around the work site, 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?
Traffic control plan, by-pass connections, and spill containment.
"Spring Blades" are a type of tool used with:
Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for:
Sewer rodding
Page 3 CWEA Collections Grade 2 Practice Test.pdf
