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CWEA COLLECTION SYSTEMS MAINTENANCE EXAM 2024/ ACTUAL 150 EXAM QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/ ALREADY GRADED A+
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CWEA COLLECTION SYSTEMS MAINTENANCE EXAM 2024/ ACTUAL 150 EXAM QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/ ALREADY GRADED A+

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  • August 26, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cwea collection systems maintenance exam 2024 act

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  • CWEA COLLECTION SYSTEMS MAINTENANCE
  • CWEA COLLECTION SYSTEMS MAINTENANCE

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CWEA COLLECTION SYSTEMS MAINTENANCE EXAM
2024/ ACTUAL 150 EXAM QUESTIONS WITH CORRECT
DETAILED AND VERIFIED ANSWERS/ ALREADY
GRADED A+

Why are gasoline and volatile solvents objectionable when present in a sewer? -

CORRECT ANS:->: They produce an explosion hazard



You should never attempt to install, maintain, repair or replace electrical equipment

panels, controls, wiring or circuits unless - CORRECT ANS:->: You know what

you are doing, are qualified and are authorized



What are the different areas of traffic zones? - CORRECT ANS:->: 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? - CORRECT ANS:->: to protect from

corrosion and odors



Personnel entering a Permit Required Confined Space must have the following

training - CORRECT ANS:->: entry and rescue

,To find protective gear before application of a product, you should: - CORRECT

ANS:->: look at the MSDS



The gas most commonly associated with septic wastewater is - CORRECT ANS:-

>: Hydrogen Sulfide



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: - CORRECT

ANS:->: some dangerous gasses are odorless (for example, carbon monoxide)



What are the four conditions necessary to create an explosion? - CORRECT

ANS:->: combustible gas, adequate oxygen, heat and proper mixing of gas

and oxygen



what does the "transition area" mean in traffic control? - CORRECT ANS:->: It

moves traffic out of its normal path



what elements should be considered to improve worker safety in High speed

Temporary Traffic control Zones? - CORRECT ANS:->: 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? - CORRECT ANS:->: Traffic Control Plan, By-Pass connections,

and Spill containment



What tools are used with a power rodder? - CORRECT ANS:->: Spring Blades



Tools used for sewer rodding include: - CORRECT ANS:->: porcupine, root saw,

square bar cork screw



What tool would you use to cut VCP pipe? - CORRECT ANS:->: Chain Pipe Cutter



Which conditions should a gas detection device test for? - CORRECT ANS:->:

Hydrogen sulfide, explosive/flammable gases, oxygen



What does "LEL" mean on a gas detection meter? - CORRECT ANS:->: Lower

Explosive Limit



The oxygen level alarm normally goes off if oxygen levels are below: - CORRECT

ANS:->: 19.5 percent

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