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CWEA Collections Grade 2 Practice Test
Questions and Answers (100% Correct
Answers) Already Graded A+
Why are gasoline and volatile solvents objectionable when
present in a sewer? Ans: They produce an explosion hazard
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You should never attempt to install, troubleshoot, maintain, repair,
or replace electrical equipment unless: Ans: You know what you
are doing, are qualified, and are authorized.
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How many different areas of traffic zones are there when working
in roadways? Ans: Five
Why should hydrogen sulfide be controlled? Ans: To protect
sewers and structures from corrosion
Personnel entering a Permit Required Confined Space must have
the following training: Ans: Entry and rescue procedures
To find proper protective gear before application of a product,
you would: Ans: Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is:
Ans: Hydrogen Sulfide (H2S)
, 2
The lack of an unpleasant odor in a structure does not always
mean that dangerous gases are not present because: Ans: Some
dangerous gases have no odor
What four conditions are necessary to create an explosion? Ans:
Combustible gas, adequate oxygen, sufficient heat, and proper
mixing of gas and oxygen.
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What does "transition area" mean in traffic control? Ans: Moves
traffic out of its normal path
The term "transition area" is one component of a: Ans: Traffic
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Control Zone
What elements should be considered to improve worker safety in
High Speed Temporary Traffic Control Zones? Ans: 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? Ans: Traffic control plan, by-pass
connections, and spill containment.
"Spring Blades" are a type of tool used with: Ans: Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools
used for: Ans: Sewer rodding
CWEA Collections Grade 2 Practice Test
Questions and Answers (100% Correct
Answers) Already Graded A+
Why are gasoline and volatile solvents objectionable when
present in a sewer? Ans: They produce an explosion hazard
© 2025 Assignment Expert
You should never attempt to install, troubleshoot, maintain, repair,
or replace electrical equipment unless: Ans: You know what you
are doing, are qualified, and are authorized.
Guru01 - Stuvia
How many different areas of traffic zones are there when working
in roadways? Ans: Five
Why should hydrogen sulfide be controlled? Ans: To protect
sewers and structures from corrosion
Personnel entering a Permit Required Confined Space must have
the following training: Ans: Entry and rescue procedures
To find proper protective gear before application of a product,
you would: Ans: Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is:
Ans: Hydrogen Sulfide (H2S)
, 2
The lack of an unpleasant odor in a structure does not always
mean that dangerous gases are not present because: Ans: Some
dangerous gases have no odor
What four conditions are necessary to create an explosion? Ans:
Combustible gas, adequate oxygen, sufficient heat, and proper
mixing of gas and oxygen.
© 2025 Assignment Expert
What does "transition area" mean in traffic control? Ans: Moves
traffic out of its normal path
The term "transition area" is one component of a: Ans: Traffic
Guru01 - Stuvia
Control Zone
What elements should be considered to improve worker safety in
High Speed Temporary Traffic Control Zones? Ans: 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? Ans: Traffic control plan, by-pass
connections, and spill containment.
"Spring Blades" are a type of tool used with: Ans: Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools
used for: Ans: Sewer rodding
