WASTEWATER
WASTEWATER COLLECTIONS LEVEL II EXAM QUESTIONS AND ANSWERS %
GUARANTEED SUCCESS.
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
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. Settle able solids Answer >>> D. Settle able solids
What determines the amount of hydrogen sulfide produced in a sewer?
,WASTEWATER
A. BOD concentration
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?
A. Fungi
B. Staphylococcus
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
, WASTEWATER
Plastic (PVC) pipe exposed to sunlight requires?
A. a protective coating
B. Solvent weld fittings
C. Special vertical support
D. Nothing special Answer >>> A. a protective coating
The most important factor affecting the useful life of piping is?
A. The ability of the materials used to resist internal and external corrosion
B. the depth of the pipe
C. the flexibility of the pipe
D. the smoothness of the inside of the pipe Answer >>> A. The ability of the
materials used to resist internal and external corrosion
Sewers located adjacent to a ground level storage reservoir are required to be
located at least 10 feet from the structure and constructed of water main-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
The best way to track all maintenance work done is through a
A. closed circuit TV
WASTEWATER COLLECTIONS LEVEL II EXAM QUESTIONS AND ANSWERS %
GUARANTEED SUCCESS.
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
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. Settle able solids Answer >>> D. Settle able solids
What determines the amount of hydrogen sulfide produced in a sewer?
,WASTEWATER
A. BOD concentration
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?
A. Fungi
B. Staphylococcus
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
, WASTEWATER
Plastic (PVC) pipe exposed to sunlight requires?
A. a protective coating
B. Solvent weld fittings
C. Special vertical support
D. Nothing special Answer >>> A. a protective coating
The most important factor affecting the useful life of piping is?
A. The ability of the materials used to resist internal and external corrosion
B. the depth of the pipe
C. the flexibility of the pipe
D. the smoothness of the inside of the pipe Answer >>> A. The ability of the
materials used to resist internal and external corrosion
Sewers located adjacent to a ground level storage reservoir are required to be
located at least 10 feet from the structure and constructed of water main-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
The best way to track all maintenance work done is through a
A. closed circuit TV
