CWEA Collection Systems Maintenance(Practice Questions for CWEA Grade 1 and 2
Tests)Answered
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
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
, CWEA Collection Systems Maintenance(Practice Questions for CWEA Grade 1 and 2
Tests)Answered
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
Tools used for sewer rodding include: - (answer)porcupine, root saw, square bar cork screw
What tool would you use to cut VCP pipe? - (answer)Chain Pipe Cutter
Which conditions should a gas detection device test for? - (answer)Hydrogen sulfide,
explosive/flammable gases, oxygen
What does "LEL" mean on a gas detection meter? - (answer)Lower Explosive Limit
The oxygen level alarm normally goes off if oxygen levels are below: - (answer)19.5 percent
When developing an S.O.P. for scheduled maintenance of electrical equipment, what program should be
addressed as a primary safety guideline? - (answer)The L.O.T.O Program
What does L.O.T.O. Stand for? - (answer)Lock out tag out
What document would you require to be referenced when developing an S.O.p. for hazardous substace
spill clean up? - (answer)M.S.D.S.
in developing an S.O.P. for air monitoring in a Permit Required Confined Space you would include what
two factors? - (answer)Placement of the blower and a weather forecast
Tests)Answered
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
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
, CWEA Collection Systems Maintenance(Practice Questions for CWEA Grade 1 and 2
Tests)Answered
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
Tools used for sewer rodding include: - (answer)porcupine, root saw, square bar cork screw
What tool would you use to cut VCP pipe? - (answer)Chain Pipe Cutter
Which conditions should a gas detection device test for? - (answer)Hydrogen sulfide,
explosive/flammable gases, oxygen
What does "LEL" mean on a gas detection meter? - (answer)Lower Explosive Limit
The oxygen level alarm normally goes off if oxygen levels are below: - (answer)19.5 percent
When developing an S.O.P. for scheduled maintenance of electrical equipment, what program should be
addressed as a primary safety guideline? - (answer)The L.O.T.O Program
What does L.O.T.O. Stand for? - (answer)Lock out tag out
What document would you require to be referenced when developing an S.O.p. for hazardous substace
spill clean up? - (answer)M.S.D.S.
in developing an S.O.P. for air monitoring in a Permit Required Confined Space you would include what
two factors? - (answer)Placement of the blower and a weather forecast
