CWEA COLLECTIONS GRADE 2 PRACTICE
TEST 2026 QUESTIONS AND VERIFIED
ANSWERS PDF
⩥ 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
TEST 2026 QUESTIONS AND VERIFIED
ANSWERS PDF
⩥ 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
