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CWEA COLLECTIONS GRADE 2 ACTUAL
EXAM PREP 2026 ALL QUESTIONS AND
CORRECT DETAILED ANSWERS ALREADY
A GRADED |CURRENTLY TESTING |NEW
AND REVISED
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.
What key factors would you need to address when developing an S.O.P.
for Lift Station failure? - ANSWER- Traffic control plan, by-pass
connections, and spill containment.
"Spring Blades" are a type of tool used with: - ANSWER- Power
Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used
for: - ANSWER- Sewer rodding
What tool would you use to cut VCP pipe? - ANSWER- Chain pipe
cutter
,2|P a g e
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 in a gas detection meter is normally set to go off
at oxygen levels below: - ANSWER- 19.5%
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. (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? - ANSWER- 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: - ANSWER- Permit
Required Confined Space
According to a State Water Resources Control Board order, each
Enrollee must develop and implement a system-specific: - ANSWER-
Sewer System Management Plan (SSMP)
Category 1 SSO's that discharge to a drainage channel and/or surface
water must be reported within: - ANSWER- 2 hours
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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: - ANSWER- the GPS coordinates
Biological activity in long, sluggish-flow, flat grade sewer lines will
likely cause odors, true or false? - ANSWER- True
Flatter sewer line grades may cause added sewer maintenance expense
and odor nuisance. The problem is most likely caused by: - ANSWER-
A decrease in velocity allowing organic and inorganic solids to settle out
Infiltration from a high water table can be one source of excessive clear
water in a collection system, true or false? - ANSWER- True
What is the first thing to consider when selecting a solution to clear a
stoppage in a sewer? - ANSWER- Cause of stoppage
The interior of 300 feet of 12-inch pipe is uniformly coated with one
inch of grease. How many gallons will this pipe hold when filled with
water? - ANSWER- 12 inches (diameter of pipe) - 2 inches (grease on
pipe) = 10 inches
Convert inches to feet:
10 inches x (1 foot / 12 inches) = 0.833 feet
Volume of a right regular cylinder:
V = 0.785 x Diameter x Diameter x Length of Pipe
CWEA COLLECTIONS GRADE 2 ACTUAL
EXAM PREP 2026 ALL QUESTIONS AND
CORRECT DETAILED ANSWERS ALREADY
A GRADED |CURRENTLY TESTING |NEW
AND REVISED
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.
What key factors would you need to address when developing an S.O.P.
for Lift Station failure? - ANSWER- Traffic control plan, by-pass
connections, and spill containment.
"Spring Blades" are a type of tool used with: - ANSWER- Power
Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used
for: - ANSWER- Sewer rodding
What tool would you use to cut VCP pipe? - ANSWER- Chain pipe
cutter
,2|P a g e
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 in a gas detection meter is normally set to go off
at oxygen levels below: - ANSWER- 19.5%
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. (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? - ANSWER- 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: - ANSWER- Permit
Required Confined Space
According to a State Water Resources Control Board order, each
Enrollee must develop and implement a system-specific: - ANSWER-
Sewer System Management Plan (SSMP)
Category 1 SSO's that discharge to a drainage channel and/or surface
water must be reported within: - ANSWER- 2 hours
, 3|P a g e
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: - ANSWER- the GPS coordinates
Biological activity in long, sluggish-flow, flat grade sewer lines will
likely cause odors, true or false? - ANSWER- True
Flatter sewer line grades may cause added sewer maintenance expense
and odor nuisance. The problem is most likely caused by: - ANSWER-
A decrease in velocity allowing organic and inorganic solids to settle out
Infiltration from a high water table can be one source of excessive clear
water in a collection system, true or false? - ANSWER- True
What is the first thing to consider when selecting a solution to clear a
stoppage in a sewer? - ANSWER- Cause of stoppage
The interior of 300 feet of 12-inch pipe is uniformly coated with one
inch of grease. How many gallons will this pipe hold when filled with
water? - ANSWER- 12 inches (diameter of pipe) - 2 inches (grease on
pipe) = 10 inches
Convert inches to feet:
10 inches x (1 foot / 12 inches) = 0.833 feet
Volume of a right regular cylinder:
V = 0.785 x Diameter x Diameter x Length of Pipe
