CWEA Collections Grade 1,2,3 & 4 2024 Exams
STUDY BUNDLE WITH COMPLETE SOLUTIONS|
Questions and Verified Answers| 100% Correct|
Grade A
Why are gasoline and volatile solvents objectionable when present in a sewer? -
ANSWERThey produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace
electrical equipment unless: - ANSWERYou know what you are doing, are qualified,
and are authorized.
How many different areas of traffic zones are there when working in roadways? -
ANSWERFive
Why should hydrogen sulfide be controlled? - ANSWERTo protect sewers and
structures from corrosion
Personnel entering a Permit Required Confined Space must have the following
training: - ANSWEREntry and rescue procedures
To find proper protective gear before application of a product, you would: -
ANSWERLook at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: - ANSWERHydrogen
Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous
gases are not present because: - ANSWERSome dangerous gases have no odor
What four conditions are necessary to create an explosion? - ANSWERCombustible
gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen.
What does "transition area" mean in traffic control? - ANSWERMoves traffic out of
its normal path
The term "transition area" is one component of a: - ANSWERTraffic Control Zone
What elements should be considered to improve worker safety in High Speed
Temporary Traffic Control Zones? - ANSWERRerouting traffic around the work site,
positioning of law enforcement officers in the temporary traffic control zone, and
work zone training.
, What key factors would you need to address when developing an S.O.P. for Lift
Station failure? - ANSWERTraffic control plan, by-pass connections, and spill
containment.
"Spring Blades" are a type of tool used with: - ANSWERPower Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for: -
ANSWERSewer rodding
What tool would you use to cut VCP pipe? - ANSWERChain pipe cutter
Which conditions should a gas detection device test for? - ANSWERHydrogen Sulfide,
explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter? - ANSWERLower explosive limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below: - ANSWER19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment, what
program should be addressed as a primary safety guideline? - ANSWERThe L.O.T.O.
(Lock Out Tag Out) Program
What document would you require to be referenced when developing an S.O.P. for
hazardous substance spill cleanup as well as spill containment? - ANSWERM.S.D.S.
Placement of the Blower and P.P.E. are two things you would include in developing
an S.O.P. for air monitoring in a: - ANSWERPermit Required Confined Space
According to a State Water Resources Control Board order, each Enrollee must
develop and implement a system-specific: - ANSWERSewer System Management
Plan (SSMP)
Category 1 SSO's that discharge to a drainage channel and/or surface water must be
reported within: - ANSWER2 hours
To report in the Statewide SSO Data-base California Integrated Water Quality System
(CIWQS), regarding the location of a Category 2 SSO, you must know: - ANSWERthe
GPS coordinates
Biological activity in long, sluggish-flow, flat grade sewer lines will likely cause odors,
true or false? - ANSWERTrue
Flatter sewer line grades may cause added sewer maintenance expense and odor
nuisance. The problem is most likely caused by: - ANSWERA decrease in velocity
allowing organic and inorganic solids to settle out
STUDY BUNDLE WITH COMPLETE SOLUTIONS|
Questions and Verified Answers| 100% Correct|
Grade A
Why are gasoline and volatile solvents objectionable when present in a sewer? -
ANSWERThey produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace
electrical equipment unless: - ANSWERYou know what you are doing, are qualified,
and are authorized.
How many different areas of traffic zones are there when working in roadways? -
ANSWERFive
Why should hydrogen sulfide be controlled? - ANSWERTo protect sewers and
structures from corrosion
Personnel entering a Permit Required Confined Space must have the following
training: - ANSWEREntry and rescue procedures
To find proper protective gear before application of a product, you would: -
ANSWERLook at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: - ANSWERHydrogen
Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous
gases are not present because: - ANSWERSome dangerous gases have no odor
What four conditions are necessary to create an explosion? - ANSWERCombustible
gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen.
What does "transition area" mean in traffic control? - ANSWERMoves traffic out of
its normal path
The term "transition area" is one component of a: - ANSWERTraffic Control Zone
What elements should be considered to improve worker safety in High Speed
Temporary Traffic Control Zones? - ANSWERRerouting traffic around the work site,
positioning of law enforcement officers in the temporary traffic control zone, and
work zone training.
, What key factors would you need to address when developing an S.O.P. for Lift
Station failure? - ANSWERTraffic control plan, by-pass connections, and spill
containment.
"Spring Blades" are a type of tool used with: - ANSWERPower Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for: -
ANSWERSewer rodding
What tool would you use to cut VCP pipe? - ANSWERChain pipe cutter
Which conditions should a gas detection device test for? - ANSWERHydrogen Sulfide,
explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter? - ANSWERLower explosive limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below: - ANSWER19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment, what
program should be addressed as a primary safety guideline? - ANSWERThe L.O.T.O.
(Lock Out Tag Out) Program
What document would you require to be referenced when developing an S.O.P. for
hazardous substance spill cleanup as well as spill containment? - ANSWERM.S.D.S.
Placement of the Blower and P.P.E. are two things you would include in developing
an S.O.P. for air monitoring in a: - ANSWERPermit Required Confined Space
According to a State Water Resources Control Board order, each Enrollee must
develop and implement a system-specific: - ANSWERSewer System Management
Plan (SSMP)
Category 1 SSO's that discharge to a drainage channel and/or surface water must be
reported within: - ANSWER2 hours
To report in the Statewide SSO Data-base California Integrated Water Quality System
(CIWQS), regarding the location of a Category 2 SSO, you must know: - ANSWERthe
GPS coordinates
Biological activity in long, sluggish-flow, flat grade sewer lines will likely cause odors,
true or false? - ANSWERTrue
Flatter sewer line grades may cause added sewer maintenance expense and odor
nuisance. The problem is most likely caused by: - ANSWERA decrease in velocity
allowing organic and inorganic solids to settle out
