age 1 of 94
ABC WASTEWATER COLLECTIONS LEVEL II EXAM
STUDY GUIDE 2025/2026 ACCURATE QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES ||
100% GUARANTEED PASS <BRAND NEW VERSION>
Wet well probe systems are usually used for---- determination(s)
of level.
A. Approximate
B. Dual point
C. continuous
D. Single point .......Answer.........D. Single point
A foreman's monthly report should include the
A. Last time the supervisor read the report
,age 2 of 94
B. Number of complaints received and investigated
C. number of monthly reports prepared
D. Number if qualifiable worker's available .......Answer.........B.
Number of complaints received and investigated.
Solids that settle out in the bottom of a wet well are called
A. scum
B. Colloidal solids
C. suspended solids
D. Settleable solids .......Answer.........D. Settleable solids
What determines the amount of hydrogen sulfide produced in a
sewer?
A. BOD concentration
,age 3 of 94
B. DO concentration
C. pH
D. SS concentration .......Answer.........C. pH
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
Which of the following is an indicator normally used for
determination of water pollution?
, age 4 of 94
A. Fungi
B. Stapylococcus
C. Algae
D. Coliforms .......Answer.........D. Coliforms
What function does a ground fault circuit interrupter (GFCI)
perform when there is an imbalance of current between the hot
and neutral conductors of a circuit?
A. bypass the ground fault
B. grounds the equipment
C. opens the circuit
D. rebalances the current .......Answer.........C. Opens the circuit
Plastic (PVC) pipe exposed to sunlight requires?
ABC WASTEWATER COLLECTIONS LEVEL II EXAM
STUDY GUIDE 2025/2026 ACCURATE QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES ||
100% GUARANTEED PASS <BRAND NEW VERSION>
Wet well probe systems are usually used for---- determination(s)
of level.
A. Approximate
B. Dual point
C. continuous
D. Single point .......Answer.........D. Single point
A foreman's monthly report should include the
A. Last time the supervisor read the report
,age 2 of 94
B. Number of complaints received and investigated
C. number of monthly reports prepared
D. Number if qualifiable worker's available .......Answer.........B.
Number of complaints received and investigated.
Solids that settle out in the bottom of a wet well are called
A. scum
B. Colloidal solids
C. suspended solids
D. Settleable solids .......Answer.........D. Settleable solids
What determines the amount of hydrogen sulfide produced in a
sewer?
A. BOD concentration
,age 3 of 94
B. DO concentration
C. pH
D. SS concentration .......Answer.........C. pH
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
Which of the following is an indicator normally used for
determination of water pollution?
, age 4 of 94
A. Fungi
B. Stapylococcus
C. Algae
D. Coliforms .......Answer.........D. Coliforms
What function does a ground fault circuit interrupter (GFCI)
perform when there is an imbalance of current between the hot
and neutral conductors of a circuit?
A. bypass the ground fault
B. grounds the equipment
C. opens the circuit
D. rebalances the current .......Answer.........C. Opens the circuit
Plastic (PVC) pipe exposed to sunlight requires?
