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CWEA Collection Systems Maintenance 140 Questions and Answers Latest Updated
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CWEA Collection Systems Maintenance 140 Questions and Answers Latest Updated CWEA Collection Systems Maintenance 140 Questions and Answers Latest Updated CWEA Collection Systems Maintenance 140 Questions and Answers Latest Updated CWEA Collection Systems Maintenance 140 Questions and Answers...

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  • July 25, 2024
  • July 25, 2024
  • 23
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • cwea collection
  • cwea collection systems maintenance 140 questions
  • cwea collection systems maintenance
  • systems maintenance 140 questions

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  • CWEA Collection Systems Maintenance
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CWEA Collection Systems Maintenance 140
Questions and Answers Latest Updated

Why are gasoline and volatile solvents objectionable when present in a
sewer? - ANSWER---They produce an explosion hazard


You should never attempt to install, maintain, repair or replace
electrical equipment panels, controls, wiring or circuits unless -
ANSWER---You know what you are doing, are qualified and are
authorized


What are the different areas of traffic zones? - ANSWER---Advance
Warning Area, Transition Area, Activity Area (buffer space and work
space), Termination Area. Could be 4 or 5, justify your answer on the
test!


why should hydrogen sulfide be controlled? - ANSWER---to protect from
corrosion and odors


Personnel entering a Permit Required Confined Space must have the
following training - ANSWER---entry and rescue


To find protective gear before application of a product, you should: -
ANSWER---look at the MSDS


The gas most commonly associated with septic wastewater is -
ANSWER---Hydrogen Sulfide

, CWEA Collection Systems Maintenance 140
Questions and Answers Latest Updated


The lack of an unpleasant odor in a manhole, lift station or other
structures does not always mean that dangerous gases are not present
because: - ANSWER---some dangerous gasses are odorless (for example,
carbon monoxide)


What are the four conditions necessary to create an explosion? -
ANSWER---combustible gas, adequate oxygen, heat and proper mixing
of gas and oxygen


what does the "transition area" mean in traffic control? - ANSWER---It
moves traffic out of its normal path


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 features would you need to address when developing an
S.O.P. for a Lift Station failure? - ANSWER---Traffic Control Plan, By-Pass
connections, and Spill containment


What tools are used with a power rodder? - ANSWER---Spring Blades

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