CWEA Collections Grade 2
Practice Test Exam Questions
and Answers (Verified
Answers) Most Recent exam
COMPLETE (2026) (Latest
Update 2026) UPDATE!!
Why are gasoline and volatile solvents objectionable when present in a sewer? -
ANSWER-They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace
electrical equipment unless: - ANSWER-You know what you are doing, are
qualified, and are authorized.
How many different areas of traffic zones are there when working in roadways? -
ANSWER-Five
Why should hydrogen sulfide be controlled? - ANSWER-To protect sewers and
structures from corrosion
, Personnel entering a Permit Required Confined Space must have the following
training: - ANSWER-Entry and rescue procedures
To find proper protective gear before application of a product, you would: -
ANSWER-Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: - ANSWER-
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that
dangerous gases are not present because: - ANSWER-Some dangerous gases have
no odor
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
Practice Test Exam Questions
and Answers (Verified
Answers) Most Recent exam
COMPLETE (2026) (Latest
Update 2026) UPDATE!!
Why are gasoline and volatile solvents objectionable when present in a sewer? -
ANSWER-They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace
electrical equipment unless: - ANSWER-You know what you are doing, are
qualified, and are authorized.
How many different areas of traffic zones are there when working in roadways? -
ANSWER-Five
Why should hydrogen sulfide be controlled? - ANSWER-To protect sewers and
structures from corrosion
, Personnel entering a Permit Required Confined Space must have the following
training: - ANSWER-Entry and rescue procedures
To find proper protective gear before application of a product, you would: -
ANSWER-Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: - ANSWER-
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that
dangerous gases are not present because: - ANSWER-Some dangerous gases have
no odor
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
