4-25 CWEA Collections System Maintenance
2
TEST EXAM FOR ALL GRADES Q&A 100%
SCORE
] Why are gasoline and volatile solvents objectionable when present in a sewer?
1
They produce an explosion hazard.
] You should never attempt to install, troubleshoot, maintain, repair, or replace
2
electrical equipment unless?
You know what you are doing, are qualified, and are authorised.
] How many different areas of traffic zones are there when working in roadways?
3
Five
] Why should hydrogen sulfide be controlled?
4
To protect sewers and structures from corrosion
] Personnel entering a Permit Required Confined Space must have the following
5
training?
Entry and rescue procedures
] To find proper protective gear before application of a product, you would?
6
Look at the MSDS (Material Safety Data Sheet)
] What is the gas most commonly associated with septic wastewater?
7
Hydrogen Sulfide (H2S)
] The lack of an unpleasant odor in a structure does not always mean that dangerous
8
gases are not present because:?
Some dangerous gases have no odor.
9] What four conditions are necessary to create an explosion?
, ombustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and
C
oxygen.
0] What does "transition area" mean in traffic control?
1
Moves traffic out of its normal path
1] The term "transition area" is one component of a?
1
Traffic Control Zone
2] What elements should be considered to improve worker safety in Speed Temporary
1
Traffic Control Zones?
Rerouting traffic around the work site, positioning of law enforcement officers in the
temporary traffic control zone, and work zone training.
hat key factors would you need to address when developing an S.O.P. for Lift Station
W
failure?
Traffic control plan, by-pass connections, and spill containment.
"Spring Blades" are a type of tool used with:
Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for:
Sewer rodding
What tool would you use to cut VCP pipe?
Chain pipe cutter
Which conditions should a gas detection device test for?
Hydrogen Sulfide, explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter?
Lower explosive limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below:
19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment, what
program should be addressed as a primary safety guideline?
The 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?
M.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:
Permit Required Confined Space
2
TEST EXAM FOR ALL GRADES Q&A 100%
SCORE
] Why are gasoline and volatile solvents objectionable when present in a sewer?
1
They produce an explosion hazard.
] You should never attempt to install, troubleshoot, maintain, repair, or replace
2
electrical equipment unless?
You know what you are doing, are qualified, and are authorised.
] How many different areas of traffic zones are there when working in roadways?
3
Five
] Why should hydrogen sulfide be controlled?
4
To protect sewers and structures from corrosion
] Personnel entering a Permit Required Confined Space must have the following
5
training?
Entry and rescue procedures
] To find proper protective gear before application of a product, you would?
6
Look at the MSDS (Material Safety Data Sheet)
] What is the gas most commonly associated with septic wastewater?
7
Hydrogen Sulfide (H2S)
] The lack of an unpleasant odor in a structure does not always mean that dangerous
8
gases are not present because:?
Some dangerous gases have no odor.
9] What four conditions are necessary to create an explosion?
, ombustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and
C
oxygen.
0] What does "transition area" mean in traffic control?
1
Moves traffic out of its normal path
1] The term "transition area" is one component of a?
1
Traffic Control Zone
2] What elements should be considered to improve worker safety in Speed Temporary
1
Traffic Control Zones?
Rerouting traffic around the work site, positioning of law enforcement officers in the
temporary traffic control zone, and work zone training.
hat key factors would you need to address when developing an S.O.P. for Lift Station
W
failure?
Traffic control plan, by-pass connections, and spill containment.
"Spring Blades" are a type of tool used with:
Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for:
Sewer rodding
What tool would you use to cut VCP pipe?
Chain pipe cutter
Which conditions should a gas detection device test for?
Hydrogen Sulfide, explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter?
Lower explosive limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below:
19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment, what
program should be addressed as a primary safety guideline?
The 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?
M.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:
Permit Required Confined Space
