CWEA Collections Grade 2 Practice Test Latest Update Questions and Answers
Question : Why are gasoline and volatile solvents
objectionable when present in a sewer?
Correct answer: They produce an explosion hazard
Question : You should never attempt to install, troubleshoot,
maintain, repair, or replace electrical equipment unless:
Correct answer: You know what you are doing, are qualified,
and are authorized.
Question : How many different areas of traffic zones are there
when working in roadways?
Correct answer: Five
Question : Why should hydrogen sulfide be controlled?
Correct answer: To protect sewers and structures from
corrosion
Question : Personnel entering a Permit Required Confined
Space must have the following training:
Correct answer: Entry and rescue procedures
Question : To find proper protective gear before application
of a product, you would:
Correct answer: Look at the MSDS (Material Safety Data
Sheet)
Question : The gas most commonly associated with septic
wastewater is:
Correct answer: Hydrogen Sulfide (H2S)
Question : The lack of an unpleasant odor in a structure does
not always mean that dangerous gases are not present
because:
Correct answer: Some dangerous gases have no odor
Question : What four conditions are necessary to create an
explosion?
Correct answer: Combustible gas, adequate oxygen, sufficient
heat, and proper mixing of gas and oxygen.
Question : What does "transition area" mean in traffic
control?
Correct answer: Moves traffic out of its normal path
Question : The term "transition area" is one component of a:
Correct answer: Traffic Control Zone
Question : What elements should be considered to improve
worker safety in High Speed Temporary Traffic Control Zones?
Correct answer: Rerouting traffic around the work site,
positioning of law enforcement officers in the temporary traffic control zone, and work zone training.
Question : What key factors would you need to address when
developing an S.O.P. for Lift Station failure?
Correct answer: Traffic control plan, by-pass connections, and
spill containment.
Question : "Spring Blades" are a type of tool used with:
Correct answer: Power Rodder
Question : Porcupine, Root Saw, and a Square Bar Cork
Screw are all tools used for:
Correct answer: Sewer rodding
Question : What tool would you use to cut VCP pipe?
Correct answer: Chain pipe cutter
Question : Which conditions should a gas detection device
test for?
Correct answer: Hydrogen Sulfide, explosive/flammable
gases, oxygen.