TCEQ Wastewater License Exam
(This one is opposite)
A = Influent
B = Aeration Tank
C = Clarifier
D = Waste Activated Sludge
E = Return Activated Sludge - ANS-What does A-F represent?
About ___ kilos of BOD are contributed day by day via every person (The BOD population
equal) - ANS-zero.17
Any plant with a layout drift above ___ MGD is needed to put in instrumentation for non-stop
waft totalizing - ANS-0.Five MGD
At what number of exposure can hydrogen sulfide begin to damage you? - ANS-Exposure for
2-15 minutes at zero.01% impairs the experience of odor.
Exposure to quantities of 0.07-zero.1% hastily reasons acute poisoning, paralyzing the lungs
At what population does a metropolis can also have to establish a water pollution control and
abatement program? - ANS-10,000 or greater
BOD analysis need to begin no later than after __ hours of sampling (after being refrigerated to
__C) to be assured of consultant results - ANS-6 hours, 6 degrees Celsius
Does septic or freshwater have a lower pH? Why? - ANS-Septic has lower pH due to unstable
acids fashioned from wastewater decomposition
Domestic wastewater is ___% water and ___% solids - ANS-99.Nine% water, 0.1% solids
Each stage of the RBC technique should have sufficient extent to provide for a touch time of
approximately: - ANS-1 hour
Floatable scum is normally removed from wastewater within the: - ANS-Primary clarifier
How can a chlorine leak be placed or detected? - ANS-Using an ammonia soaked rag or spray
bottle
How can the operator manipulate the scum blanket in an anaerobic digester? - ANS-right
blending and warmth manipulate
, How did the nation get its authority to govern water pollution? - ANS-The Environmental
Protection Agency (EPA) delegated that authority to the person states.
How do Rotating Biological Contactors spin? - ANS-Each unit is pushed both through a motor
with a gear reducer or by using air trapped in air cups
In superior treatment approaches, what's the maximum essential factor affecting filter out overall
performance? - ANS-the pleasant of the secondary effluent being applied to the filter - low in
solids
In superior remedy, a filtration technique should put off approximately ____ of the TSS applied -
ANS-70%-90%
In Rotating Biological Contactors, what is the organic boom like? - ANS-The entire wetted
surface area of the disc turns into blanketed by means of a zero.05-zero.1 inch film of grey to
brown biological boom. It contains about 50,000 mg/L of solids
Infiltration - ANS-Groundwater that enters the collection device through holes, cracks, and many
others.
Inflow - ANS-Surface runoff that enters the collection system
Is BOD or COD check higher for system manipulate? - ANS-COD because it has a shorter
trying out time, which means faster remarks concerning the remedy system
Lift stations are constructed while wastewater is: - ANS-- Raised to a better elevation
- Pumped over a hill
- Lifted at a plant for gravity go with the flow
Name the presence of the 4 distinctive microorganisms in true best sludge with accurate settling
so as from most outstanding to least prominent - ANS-1. Free swimming ciliates
2. Stalked ciliates
three. Flagellates
4. Rotifers
five. Amoeboids
Operators need to be worried with what four sorts of microorganisms? - ANS-Amoeboids,
flagellates, ciliates, and rotifers
Reports, such as Discharge Monitoring Reports and Monthly Effluent Reports, are to be
submitted to the TCEQ no later than the __ of the _____ month. - ANS-twentieth, following
(This one is opposite)
A = Influent
B = Aeration Tank
C = Clarifier
D = Waste Activated Sludge
E = Return Activated Sludge - ANS-What does A-F represent?
About ___ kilos of BOD are contributed day by day via every person (The BOD population
equal) - ANS-zero.17
Any plant with a layout drift above ___ MGD is needed to put in instrumentation for non-stop
waft totalizing - ANS-0.Five MGD
At what number of exposure can hydrogen sulfide begin to damage you? - ANS-Exposure for
2-15 minutes at zero.01% impairs the experience of odor.
Exposure to quantities of 0.07-zero.1% hastily reasons acute poisoning, paralyzing the lungs
At what population does a metropolis can also have to establish a water pollution control and
abatement program? - ANS-10,000 or greater
BOD analysis need to begin no later than after __ hours of sampling (after being refrigerated to
__C) to be assured of consultant results - ANS-6 hours, 6 degrees Celsius
Does septic or freshwater have a lower pH? Why? - ANS-Septic has lower pH due to unstable
acids fashioned from wastewater decomposition
Domestic wastewater is ___% water and ___% solids - ANS-99.Nine% water, 0.1% solids
Each stage of the RBC technique should have sufficient extent to provide for a touch time of
approximately: - ANS-1 hour
Floatable scum is normally removed from wastewater within the: - ANS-Primary clarifier
How can a chlorine leak be placed or detected? - ANS-Using an ammonia soaked rag or spray
bottle
How can the operator manipulate the scum blanket in an anaerobic digester? - ANS-right
blending and warmth manipulate
, How did the nation get its authority to govern water pollution? - ANS-The Environmental
Protection Agency (EPA) delegated that authority to the person states.
How do Rotating Biological Contactors spin? - ANS-Each unit is pushed both through a motor
with a gear reducer or by using air trapped in air cups
In superior treatment approaches, what's the maximum essential factor affecting filter out overall
performance? - ANS-the pleasant of the secondary effluent being applied to the filter - low in
solids
In superior remedy, a filtration technique should put off approximately ____ of the TSS applied -
ANS-70%-90%
In Rotating Biological Contactors, what is the organic boom like? - ANS-The entire wetted
surface area of the disc turns into blanketed by means of a zero.05-zero.1 inch film of grey to
brown biological boom. It contains about 50,000 mg/L of solids
Infiltration - ANS-Groundwater that enters the collection device through holes, cracks, and many
others.
Inflow - ANS-Surface runoff that enters the collection system
Is BOD or COD check higher for system manipulate? - ANS-COD because it has a shorter
trying out time, which means faster remarks concerning the remedy system
Lift stations are constructed while wastewater is: - ANS-- Raised to a better elevation
- Pumped over a hill
- Lifted at a plant for gravity go with the flow
Name the presence of the 4 distinctive microorganisms in true best sludge with accurate settling
so as from most outstanding to least prominent - ANS-1. Free swimming ciliates
2. Stalked ciliates
three. Flagellates
4. Rotifers
five. Amoeboids
Operators need to be worried with what four sorts of microorganisms? - ANS-Amoeboids,
flagellates, ciliates, and rotifers
Reports, such as Discharge Monitoring Reports and Monthly Effluent Reports, are to be
submitted to the TCEQ no later than the __ of the _____ month. - ANS-twentieth, following
