SCIENCE 101 > EXAM > CWEA Collections Grade 2 Practice Test | 75 Questions with 100% Correct Answers (All)

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CWEA Collections Grade 2 Practice Test | 75 Questions with 100% Correct Answers

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Why are gasoline and volatile solvents objectionable when present in a sewer? - ✔✔They produce an explosion hazard You should never attempt to install, troubleshoot, maintain, repair, or replace ... electrical equipment unless: - ✔✔You know what you are doing, are qualified, and are authorized. How many different areas of traffic zones are there when working in roadways? - ✔✔Five Why should hydrogen sulfide be controlled? - ✔✔To protect sewers and structures from corrosion Personnel entering a Permit Required Confined Space must have the following training: - ✔✔Entry and rescue procedures To find proper protective gear before application of a product, you would: - ✔✔Look at the MSDS (Material Safety Data Sheet) The gas most commonly associated with septic wastewater is: - ✔✔Hydrogen Sulfide (H2S) The lack of an unpleasant odor in a structure does not always mean that dangerous gases are not present because: - ✔✔Some dangerous gases have no odor What four conditions are necessary to create an explosion? - ✔✔Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen. What does "transition area" mean in traffic control? - ✔✔Moves traffic out of its normal path The term "transition area" is one component of a [Show More]

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