WASTEWATER CLASS B TEXAS /
NEWEST ACTUAL EXAM REVIEW QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
A GRADE
Terms in this set (184)
The name of the State Texas Commission of Environmental Quality
Agency responsible for
enforcing pollution
control laws in Texas
The term pathogenic means Capable of causing disease
The minimum separation 9 feet
between sewer lines and
potable water lines is
A licensed wastewater consistently does best job possible, practices personal
operator is a professional safety, strives to improve job knowledge, strives to keep the
plant and collection system in the best appearance and
working order
An important step in testing Filtering a sample
a sample for Total
Suspended Solids is
The Biochemical oxygen Measuring the dissolved oxygen (DO) used
Demand (BOD) of a sample is
based on
, How the plant was operating 5 days ago
The results of Biochemical
Oxygen Demand (BOD)
sample taken at a treatment
plant tells the operator
Which of the following are Natural gas, gasoline fumes, hydrogen sulfide and carbon
dangerous gasses that are dioxide
likely to be present in lift
stations and manholes?
A preferred hydraulic method Hydro Jet Cleaner
of cleaning sewer
lines is
Ways to reduce bad odors routinely cleaning slow running or low flow lines, adding
coming from a collection chlorine or hydrogen peroxide to the collection system
system
Types of pipe that are ductile iron, Poly Vinyl Chloride (PVC)
commonly used in
wastewater collection
system
Before entering a confined Use approved monitoring device and check for the presence
space a worker should of dangerous gasses, ventilate the space with a blower, wear
a safety harness and attach a life line
A properly designed and 30-40%
operated primary
sedimentation tank should
remove _____ percent of
incoming BOD
Devices that may be used to air bubbler, floats, electrodes, Acoustic (sonic)
determine the level of
sewage in a lift station
, What is the most important decompose organic matter
role of aerobic bacteria in
the treatment of
wastewater?
flow rate and filter area
The hydraulic loading of a
trickling filter may be
determined by
These can be used to dewater belt press, drying beds, solid bowl centrifuge, gravity thickener
sludge
Most important to providing sunlight, algae, bacteria and time
adequate sewage treatment
in a stabilization pond
Offensive and objectionable septic conditions are present
odors which sometimes
occur in trickling filters
usually indicate
Dissolved Oxygen (DO) in 2 to 4 mg/L
aeration tank of an activated
sludge plant should be
maintained at or about
Contributes to the infiltration breaks in the main lines, high ground water levels, heavy
in a collection system rains, hydro jet cleaning plugged mains
When a centrifuge pump pump is no longer moving liquid
loses prime the
A Rotating Biological fixed firm biological treatment process
Contactor (RBC) is
NEWEST ACTUAL EXAM REVIEW QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
A GRADE
Terms in this set (184)
The name of the State Texas Commission of Environmental Quality
Agency responsible for
enforcing pollution
control laws in Texas
The term pathogenic means Capable of causing disease
The minimum separation 9 feet
between sewer lines and
potable water lines is
A licensed wastewater consistently does best job possible, practices personal
operator is a professional safety, strives to improve job knowledge, strives to keep the
plant and collection system in the best appearance and
working order
An important step in testing Filtering a sample
a sample for Total
Suspended Solids is
The Biochemical oxygen Measuring the dissolved oxygen (DO) used
Demand (BOD) of a sample is
based on
, How the plant was operating 5 days ago
The results of Biochemical
Oxygen Demand (BOD)
sample taken at a treatment
plant tells the operator
Which of the following are Natural gas, gasoline fumes, hydrogen sulfide and carbon
dangerous gasses that are dioxide
likely to be present in lift
stations and manholes?
A preferred hydraulic method Hydro Jet Cleaner
of cleaning sewer
lines is
Ways to reduce bad odors routinely cleaning slow running or low flow lines, adding
coming from a collection chlorine or hydrogen peroxide to the collection system
system
Types of pipe that are ductile iron, Poly Vinyl Chloride (PVC)
commonly used in
wastewater collection
system
Before entering a confined Use approved monitoring device and check for the presence
space a worker should of dangerous gasses, ventilate the space with a blower, wear
a safety harness and attach a life line
A properly designed and 30-40%
operated primary
sedimentation tank should
remove _____ percent of
incoming BOD
Devices that may be used to air bubbler, floats, electrodes, Acoustic (sonic)
determine the level of
sewage in a lift station
, What is the most important decompose organic matter
role of aerobic bacteria in
the treatment of
wastewater?
flow rate and filter area
The hydraulic loading of a
trickling filter may be
determined by
These can be used to dewater belt press, drying beds, solid bowl centrifuge, gravity thickener
sludge
Most important to providing sunlight, algae, bacteria and time
adequate sewage treatment
in a stabilization pond
Offensive and objectionable septic conditions are present
odors which sometimes
occur in trickling filters
usually indicate
Dissolved Oxygen (DO) in 2 to 4 mg/L
aeration tank of an activated
sludge plant should be
maintained at or about
Contributes to the infiltration breaks in the main lines, high ground water levels, heavy
in a collection system rains, hydro jet cleaning plugged mains
When a centrifuge pump pump is no longer moving liquid
loses prime the
A Rotating Biological fixed firm biological treatment process
Contactor (RBC) is
