CWEA ELECTRICAL AND INSTRUMENT
GRADE 2 ASSESSMENT 2026 FULL
QUESTIONS AND CORRECT ANSWERS
GRADED A+
◉ 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?
GRADE 2 ASSESSMENT 2026 FULL
QUESTIONS AND CORRECT ANSWERS
GRADED A+
◉ 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?
