CWEA COLLECTIONS EXAM NEWEST 2024- 2025 ACTUAL EXAM
COMPLETE 140 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS)
Why are gasoline and volatile solvents objectionable when present in a sewer? -Correct
Answer ✔They produce an explosion hazard
You should never attempt to install, maintain, repair or replace electrical equipment
panels, controls, wiring or circuits unless -Correct Answer ✔You know what you are
doing, are qualified and are authorized
What are the different areas of traffic zones? -Correct 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? -Correct Answer ✔to protect from corrosion
and odors
Personnel entering a Permit Required Confined Space must have the following training
-Correct Answer ✔entry and rescue
To find protective gear before application of a product, you should: -Correct Answer
✔look at the MSDS
The gas most commonly associated with septic wastewater is -Correct 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: -Correct Answer ✔some
dangerous gasses are odorless (for example, carbon monoxide)
What are the four conditions necessary to create an explosion? -Correct Answer
✔combustible gas, adequate oxygen, heat and proper mixing of gas and oxygen
what does the "transition area" mean in traffic control? -Correct 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? -Correct Answer ✔Rerouting traffic around the work site,
positioning of law enforcement officers in the temporary traffic control zone, and work
zone training
CWEA COLLECTIONS EXAM NEWEST 2024- 2025 ACTUAL EXAM
, CWEA COLLECTIONS EXAM NEWEST 2024- 2025 ACTUAL EXAM
What key features would you need to address when developing an S.O.P. for a Lift
Station failure? -Correct Answer ✔Traffic Control Plan, By-Pass connections, and Spill
containment
What tools are used with a power rodder? -Correct Answer ✔Spring Blades
Tools used for sewer rodding include: -Correct Answer ✔porcupine, root saw, square
bar cork screw
What tool would you use to cut VCP pipe? -Correct Answer ✔Chain Pipe Cutter
Which conditions should a gas detection device test for? -Correct Answer ✔Hydrogen
sulfide, explosive/flammable gases, oxygen
What does "LEL" mean on a gas detection meter? -Correct Answer ✔Lower Explosive
Limit
The oxygen level alarm normally goes off if oxygen levels are below: -Correct 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? -Correct Answer ✔The
L.O.T.O Program
What does L.O.T.O. Stand for? -Correct 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? -Correct 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? -Correct Answer ✔Placement of the blower and a
weather forecast
According to the State Water Resources Control Board Order No. 2006-003-DWQ, each
enrollee must develop and implement a system-specific: -Correct Answer ✔SSMP
(Sewer System Management Plan)
How long do you have to report a category 1 SSO? -Correct Answer ✔2 hours
To report in the Statewide SSO Data-base California Integrated Water Quality System
(CIWQS) regarding the location of a Category 2 SSO, how must you report the
location? -Correct Answer ✔Using the GPS coordinates
CWEA COLLECTIONS EXAM NEWEST 2024- 2025 ACTUAL EXAM