CWEA Collections Grade 2 Practice
Test Exam,Latest Expert
PremiumUpdate(2025-2026)|Brand
new Exam Questions with 100%
Correct Answers,All Graded
A+,Guaranteed Success.
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
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? - 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
Test Exam,Latest Expert
PremiumUpdate(2025-2026)|Brand
new Exam Questions with 100%
Correct Answers,All Graded
A+,Guaranteed Success.
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
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? - 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
