CWEA WASTEWATER COLLECTIONS LEVEL II
TEST NEWEST 2026/2027 STUDY QUESTIONS
WITH VERIFIED CORRECT ANSWERS
GUARANTEED PASS | RATED A+
,CWEA WASTEWATER COLLECTIONS LEVEL II TEST
NEWEST 2026/2027 STUDY QUESTIONS WITH VERIFIED
CORRECT ANSWERS GUARANTEED PASS | RATED A+
Sewers located adjacent to a ground level storage reservoir are required to be located at least 10
feet from the structure and constructed of watermain-type materials for a distance of at least 50
feet from the storage reservoir. What is the reason for the requirement?
A. to prevent a high ground water table adjacent to the reservoir
B. to protect the storage reservoir from contamination
C. to reduce infiltration into the sewer
D. because vitrified-clay sewer pipe is easily broken - Answer>>> B. to protect the storage
reservoir from contamination
Why do electric motors draw more power when being started than while being operated under
normal conditions?
A. The pipe friction losses are greater during start-up
B. The motor and the attached load have to start moving
C. The overload switch has to be deactivated
D. Time is required for voltage to activate the magnetic field - Answer>>> B. The motor and the
attached load have to start moving
What is the function of the bubbler control in a lift station wet well?
A. Aerate the contents of the wet well to prevent septic conditions
B. Measure liquid flow rate and regulate pump operations
C. Measure liquid flow rate but does not regulate pump operations
D. Sense liquid depth in the wet well to regulate pump operations - Answer>>> D. Sense liquid
depth in the wet well to regulate pump operations
, At times in collection system construction, it is necessary for a sewer line to temporarily drop
below grade in order to pass under a creek, valley, or roadway. The device used to carry
wastewater below the hydraulic gradient without interrupting flow is called a
A. drop manhole
B. junction structure
C. lift station
D. invert siphon - Answer>>> D. Invert siphon
Two pumps of the same capacity operate together with a single main. The discharge will be--- in
a typical pump station.
A. the same as one pump
B. more than one pump, but not twice as much
C. twice as much as one pump
D. more than twice as much as one pump - Answer>>> B. more than one pump, but not twice as
much
Wastewater should be pumped from a wet well
A. Based upon the time clock operation
B. Four times a day
C. Often enough to prevent wastewater from going anaerobic
D. Once a day - Answer>>> C. Often enough to prevent wastewater from going anaerobic
Which of the following is an indicator normally used for determination of water pollution?
A. Fungi
B. Stapylococcus
C. Algae
D. Coliforms - Answer>>> D. Coliforms
TEST NEWEST 2026/2027 STUDY QUESTIONS
WITH VERIFIED CORRECT ANSWERS
GUARANTEED PASS | RATED A+
,CWEA WASTEWATER COLLECTIONS LEVEL II TEST
NEWEST 2026/2027 STUDY QUESTIONS WITH VERIFIED
CORRECT ANSWERS GUARANTEED PASS | RATED A+
Sewers located adjacent to a ground level storage reservoir are required to be located at least 10
feet from the structure and constructed of watermain-type materials for a distance of at least 50
feet from the storage reservoir. What is the reason for the requirement?
A. to prevent a high ground water table adjacent to the reservoir
B. to protect the storage reservoir from contamination
C. to reduce infiltration into the sewer
D. because vitrified-clay sewer pipe is easily broken - Answer>>> B. to protect the storage
reservoir from contamination
Why do electric motors draw more power when being started than while being operated under
normal conditions?
A. The pipe friction losses are greater during start-up
B. The motor and the attached load have to start moving
C. The overload switch has to be deactivated
D. Time is required for voltage to activate the magnetic field - Answer>>> B. The motor and the
attached load have to start moving
What is the function of the bubbler control in a lift station wet well?
A. Aerate the contents of the wet well to prevent septic conditions
B. Measure liquid flow rate and regulate pump operations
C. Measure liquid flow rate but does not regulate pump operations
D. Sense liquid depth in the wet well to regulate pump operations - Answer>>> D. Sense liquid
depth in the wet well to regulate pump operations
, At times in collection system construction, it is necessary for a sewer line to temporarily drop
below grade in order to pass under a creek, valley, or roadway. The device used to carry
wastewater below the hydraulic gradient without interrupting flow is called a
A. drop manhole
B. junction structure
C. lift station
D. invert siphon - Answer>>> D. Invert siphon
Two pumps of the same capacity operate together with a single main. The discharge will be--- in
a typical pump station.
A. the same as one pump
B. more than one pump, but not twice as much
C. twice as much as one pump
D. more than twice as much as one pump - Answer>>> B. more than one pump, but not twice as
much
Wastewater should be pumped from a wet well
A. Based upon the time clock operation
B. Four times a day
C. Often enough to prevent wastewater from going anaerobic
D. Once a day - Answer>>> C. Often enough to prevent wastewater from going anaerobic
Which of the following is an indicator normally used for determination of water pollution?
A. Fungi
B. Stapylococcus
C. Algae
D. Coliforms - Answer>>> D. Coliforms
