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Alabama Wastewater Collection Grade 1 C Exam 2026
Actual Complete Real Verified Exam Questions And
Verified Answers | 100% Correct Answers | Already
Graded A+ Guaranteed Success!! Newest Exam!!!
A pig would be used as ________________in a force
main.
a. A reamer
b. A stopper
c. A Float
d. A tell tale - Answer-a. A reamer
A minimum scouring velocity of 2 ft/sec in sewers is
necessary so that
a. Flow velocities can be estimated between manholes
b. Roots won't grow in sewers
c. Sewer pipes won't become eroded on the bottom
d. Solids won't build up in a sewer and
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reduce flow capacity - Answer-d. Solids won't build up in a
sewer and reduce flow capacity
A cross connection is best defined as
a. Ground water entering a gravity sewer through
cracks in the piping
b. A lateral line connected to the main illegally
c. Storm drainage piped into a domestic
collection system
d. A potable water supply connected to a potential source
of pollution. - Answer-d. A potable water supply connected
to a potential
source of pollution.
When dealing with collection systems, I & I refers to
a. Inflow and inspection
b. inspection and information
c. infiltration and inflow
d. None of the above - Answer-c. infiltration and inflow
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Corrosion of sewer pipes may be caused by
a. Laminar flow through them
b. Oils in wastewater
c. Fungi
d. Acids in water - Answer-d. Acids in water
In a collection system, wastewater that contains no "free"
of dissolved oxygen is referred to as
a. Aerobic
b. Anaerobic
c. Ambient
d. Debris - Answer-b. Anaerobic
The primary reason why it is important not to have cross-
connections of sewers with water supplies systems is
a. Possible overloading of water systems
b. Possible loss of drinking water pressure
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c. Possible drinking water contamination
d. Low of wastewater from the sewerage system -
Answer-c. Possible drinking water contamination
A pig would likely be used for cleaning of a
a. Gravity sewer
b. Storm sewer
c. Force main
d. House or building sewer - Answer-c. Force main
A flow of 60 gph is equal to?
a. 1 mgd
b. 1mg/L
c. 10 gpm
d. 1 gpm - Answer-d. 1 gpm (60 gph / 60 min/hr )
The slope of a sewer is measured by
a. The difference from the crown to the invert
Alabama Wastewater Collection Grade 1 C Exam 2026
Actual Complete Real Verified Exam Questions And
Verified Answers | 100% Correct Answers | Already
Graded A+ Guaranteed Success!! Newest Exam!!!
A pig would be used as ________________in a force
main.
a. A reamer
b. A stopper
c. A Float
d. A tell tale - Answer-a. A reamer
A minimum scouring velocity of 2 ft/sec in sewers is
necessary so that
a. Flow velocities can be estimated between manholes
b. Roots won't grow in sewers
c. Sewer pipes won't become eroded on the bottom
d. Solids won't build up in a sewer and
,2|Page
reduce flow capacity - Answer-d. Solids won't build up in a
sewer and reduce flow capacity
A cross connection is best defined as
a. Ground water entering a gravity sewer through
cracks in the piping
b. A lateral line connected to the main illegally
c. Storm drainage piped into a domestic
collection system
d. A potable water supply connected to a potential source
of pollution. - Answer-d. A potable water supply connected
to a potential
source of pollution.
When dealing with collection systems, I & I refers to
a. Inflow and inspection
b. inspection and information
c. infiltration and inflow
d. None of the above - Answer-c. infiltration and inflow
,3|Page
Corrosion of sewer pipes may be caused by
a. Laminar flow through them
b. Oils in wastewater
c. Fungi
d. Acids in water - Answer-d. Acids in water
In a collection system, wastewater that contains no "free"
of dissolved oxygen is referred to as
a. Aerobic
b. Anaerobic
c. Ambient
d. Debris - Answer-b. Anaerobic
The primary reason why it is important not to have cross-
connections of sewers with water supplies systems is
a. Possible overloading of water systems
b. Possible loss of drinking water pressure
, 4|Page
c. Possible drinking water contamination
d. Low of wastewater from the sewerage system -
Answer-c. Possible drinking water contamination
A pig would likely be used for cleaning of a
a. Gravity sewer
b. Storm sewer
c. Force main
d. House or building sewer - Answer-c. Force main
A flow of 60 gph is equal to?
a. 1 mgd
b. 1mg/L
c. 10 gpm
d. 1 gpm - Answer-d. 1 gpm (60 gph / 60 min/hr )
The slope of a sewer is measured by
a. The difference from the crown to the invert
