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CWEA Collections Grade 2 Practice Test/ 74 Q&A/ . er: 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 qualif
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CWEA Collections Grade 2 Practice Test/ 74 Q&A/ . Terms like: 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: ...

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  • September 22, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • CWEA Collections Grade 2
  • CWEA Collections Grade 2

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CWEA Collections Grade 2 Practice Test/ 74
Q&A/ 2024-2025.
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




Page 1 of 12

, 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



Page 2 of 12

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