Wastewater Class A Texas ( test 4)
Capable of causing disease - answers✔✔The term pathogenic means
B. 9 feet - answers✔✔Question: The minimum separation, between sewer lines, and potable water lines
is
A. 8 feet
B. 9 feet
C. 10 feet
Filtering a sample - answers✔✔An important step, in testing a sample, for Total Suspended Solids is
Measuring, the dissolved oxygen, used - answers✔✔Biochemical oxygen Demand, (BOD) test is based
on?
How the plant, was operating, 5 days ago - answers✔✔Results, of Biochemical Oxygen Demand, (BOD)
sample, taken at a treatment plant, tells the operator
Natural gas, gasoline fumes, hydrogen sulfide, and carbon dioxide - answers✔✔Question: Which of the
following are dangerous gasses that are likely to be present in lift stations and manholes
Answers: Hydro Jet Cleaning - answers✔✔Question: What is the preferred, hydraulic method of
cleaning sewer lines
Answer:
Routinely cleaning, slow running, or low flow lines,
adding chlorine, or hydrogen peroxide, to the collection system - answers✔✔Question: what are some
Ways, to reduce bad odors, generated in the collection system
,Answer: ductile iron, Poly Vinyl Chloride, (PVC) vitrified clay pipe, fiberglass - answers✔✔Question: what
are some Types of pipe materials commonly found in wastewater collection system
Answer:have an approved monitoring device, and check, for the presence of dangerous gasses,
ventilate, the space with a blower, wear a safety harness, and be attach to a life line -
answers✔✔Question: before entering a confined space, a worker should perform, what procedures
C. 30 to 40% - answers✔✔A properly designed, and operated primary sedimentation tank, should
remove what percent of incoming BOD.
A.20% to 30%
B. 25 % to 50%
C. 30% to 40%
Answer: air bubbler, floats, electrodes, Acoustic (sonic), radar - answers✔✔What Devices, can be used,
to determine, the level of sewage, in a lift station
decomposition, of organic matter - answers✔✔What, is the most important role, of aerobic bacteria, in
the treatment, of wastewater?
Answer:flow rate, and filter area - answers✔✔Question: How is the hydraulic loading, of a trickling filter,
determined
Answer: belt press, drying beds, solid bowl, centrifuge, gravity thickener - answers✔✔Question: what
equipment, or methods, can be used, to dewater sludge
Answer: sunlight, algae, bacteria and, time - answers✔✔Question: what are the Most important factors,
to providing adequate sewage treatment, in a stabilization pond
Answer: septic conditions exist - answers✔✔Question: what do Offensive, and objectionable odors, in a
trickling filter, usually indicate
, Answer: 2, to 4, milligram, per liter - answers✔✔Question: Dissolved Oxygen, (DO) in a activated sludge,
aeration tank, should be maintained in What range
Answer: breaks in the main lines, high ground water levels, heavy rains, hydro jet cleaning, of plugged
mains - answers✔✔Question:what factors Contribute to infiltration in a collection system
Answer: it is no longer moving liquid - answers✔✔Question: what happen When a centrifugal pump
loses prime
A. fixed film - answers✔✔A Rotating Biological Contactor, or , RBC, is a _______biological treatment
process
A. fixed film
B. Surface film
C. suspended growth
Answer: aeration equipment, and mixed liquor solids - answers✔✔Question:what Needs to be checked
regularly, to properly operate, an activated sludge treatment plant
Answer: a discharge that comes from a pipe or ditch that is monitored, controlled, and inspected -
answers✔✔Question: what is Point source, discharge
Answer: a discharge that may have an intermittent, or dispersed, flow having little, or no control -
answers✔✔Question: what is a Non-point discharge
setting stream standards, issues permits for discharges, identifies non-point source controls, and
establishes water reuse. - answers✔✔The Texas Water Code establishes the protection of water quality
and quantity of the state by
treating wastewater discharged into the community - answers✔✔The wastewater plant operator is
primarily responsible for
Capable of causing disease - answers✔✔The term pathogenic means
B. 9 feet - answers✔✔Question: The minimum separation, between sewer lines, and potable water lines
is
A. 8 feet
B. 9 feet
C. 10 feet
Filtering a sample - answers✔✔An important step, in testing a sample, for Total Suspended Solids is
Measuring, the dissolved oxygen, used - answers✔✔Biochemical oxygen Demand, (BOD) test is based
on?
How the plant, was operating, 5 days ago - answers✔✔Results, of Biochemical Oxygen Demand, (BOD)
sample, taken at a treatment plant, tells the operator
Natural gas, gasoline fumes, hydrogen sulfide, and carbon dioxide - answers✔✔Question: Which of the
following are dangerous gasses that are likely to be present in lift stations and manholes
Answers: Hydro Jet Cleaning - answers✔✔Question: What is the preferred, hydraulic method of
cleaning sewer lines
Answer:
Routinely cleaning, slow running, or low flow lines,
adding chlorine, or hydrogen peroxide, to the collection system - answers✔✔Question: what are some
Ways, to reduce bad odors, generated in the collection system
,Answer: ductile iron, Poly Vinyl Chloride, (PVC) vitrified clay pipe, fiberglass - answers✔✔Question: what
are some Types of pipe materials commonly found in wastewater collection system
Answer:have an approved monitoring device, and check, for the presence of dangerous gasses,
ventilate, the space with a blower, wear a safety harness, and be attach to a life line -
answers✔✔Question: before entering a confined space, a worker should perform, what procedures
C. 30 to 40% - answers✔✔A properly designed, and operated primary sedimentation tank, should
remove what percent of incoming BOD.
A.20% to 30%
B. 25 % to 50%
C. 30% to 40%
Answer: air bubbler, floats, electrodes, Acoustic (sonic), radar - answers✔✔What Devices, can be used,
to determine, the level of sewage, in a lift station
decomposition, of organic matter - answers✔✔What, is the most important role, of aerobic bacteria, in
the treatment, of wastewater?
Answer:flow rate, and filter area - answers✔✔Question: How is the hydraulic loading, of a trickling filter,
determined
Answer: belt press, drying beds, solid bowl, centrifuge, gravity thickener - answers✔✔Question: what
equipment, or methods, can be used, to dewater sludge
Answer: sunlight, algae, bacteria and, time - answers✔✔Question: what are the Most important factors,
to providing adequate sewage treatment, in a stabilization pond
Answer: septic conditions exist - answers✔✔Question: what do Offensive, and objectionable odors, in a
trickling filter, usually indicate
, Answer: 2, to 4, milligram, per liter - answers✔✔Question: Dissolved Oxygen, (DO) in a activated sludge,
aeration tank, should be maintained in What range
Answer: breaks in the main lines, high ground water levels, heavy rains, hydro jet cleaning, of plugged
mains - answers✔✔Question:what factors Contribute to infiltration in a collection system
Answer: it is no longer moving liquid - answers✔✔Question: what happen When a centrifugal pump
loses prime
A. fixed film - answers✔✔A Rotating Biological Contactor, or , RBC, is a _______biological treatment
process
A. fixed film
B. Surface film
C. suspended growth
Answer: aeration equipment, and mixed liquor solids - answers✔✔Question:what Needs to be checked
regularly, to properly operate, an activated sludge treatment plant
Answer: a discharge that comes from a pipe or ditch that is monitored, controlled, and inspected -
answers✔✔Question: what is Point source, discharge
Answer: a discharge that may have an intermittent, or dispersed, flow having little, or no control -
answers✔✔Question: what is a Non-point discharge
setting stream standards, issues permits for discharges, identifies non-point source controls, and
establishes water reuse. - answers✔✔The Texas Water Code establishes the protection of water quality
and quantity of the state by
treating wastewater discharged into the community - answers✔✔The wastewater plant operator is
primarily responsible for
