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CWEA Collections 3 EXAM Questions and Answers Verified Solutions Latest Update

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CWEA Collections 3 EXAM Questions and Answers Verified Solutions Latest Update

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CWEA Collections 3 EXAM Questions
and
Answers Verified Solutions Latest
Update


Question:

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


Question:

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!


Question:

why should hydrogen sulfide be controlled?.

Answer:
to protect from corrosion and odors


Question:

Personnel entering a Permit Required Confined Space must have the following training.

Answer:
entry and rescue

,Question:

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

Answer:
look at the MSDS


Question:

The gas most commonly associated with septic wastewater is.

Answer:
Hydrogen Sulfide


Question:

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)


Question:

What are the four conditions necessary to create an explosion?.

Answer:
combustible gas, adequate oxygen, heat and proper mixing of gas and oxygen


Question:

what does the "transition area" mean in traffic control?.

Answer:
It moves traffic out of its normal path


Question:

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

, Question:

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


Question:

What tools are used with a power rodder?.

Answer:
Spring Blades


Question:

Tools used for sewer rodding include:.

Answer:
porcupine, root saw, square bar cork screw


Question:

What tool would you use to cut VCP pipe?.

Answer:
Chain Pipe Cutter


Question:

Which conditions should a gas detection device test for?.

Answer:
Hydrogen sulfide, explosive/flammable gases, oxygen


Question:

What does "LEL" mean on a gas detection meter?.

Answer:
Lower Explosive Limit

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