FLORIDA WASTEWATER OPERATOR CLASS B CERTIFICATION EXAM 2025
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Module
FLORIDA WASTEWATER OPERATOR CLASS B CERTIFICATION
Institution
FLORIDA WASTEWATER OPERATOR CLASS B CERTIFICATION
FLORIDA WASTEWATER OPERATOR CLASS B CERTIFICATION EXAM 2025
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FLORIDA WASTEWATER OPERATOR
CLASS B CERTIFICATION EXAM 2025
A common remedy for activated sludge system problems is to increase
the waste activated sludge flow rate, when would an increase of WAS
rate not be correct? - Precise Answer ✔✔When straggler Floc is present
in clarifier and settleometer
The chlorine residual is falling An inspection of the 150lb cylinder and
chlorine feed equipment shows ice forming on the chlorine regulator and
feed lines. The best method to fix the falling chlorine residual is? -
Precise Answer ✔✔Put another chlorine cylinder online
Caution must be used when adding caustic chemical to a digester.
Lime can combine with carbon dioxide in the digester to form what
problem? - Precise Answer ✔✔A dangerous vacuum
How many gallons will the single piston, reciprocating sludge pump
discharge per minute If the piston bore (diameter) is 6 inches and the
stroke length is 11 inches? The pump runs at 99 revolutions per minute.
- Precise Answer ✔✔134gpm
solve MCRT:
Flow: 3.6mgd
Basin volume: 5.0mg
, MLSS:2350mg/l
WAS ss:4800mg/l
WAS flow: 150000gpd
Eff tss: 15mg/l - Precise Answer ✔✔15 days
There are high suspended solids in the water applied to the filters due to
bulking sludge in the secondary clarifiers.
Polymer is used as a filter aid chemical, but the effluent ability is
worsening.
What is the best method to correct the filter problem? - Precise Answer
✔✔Run jar tests to determine best Polymer dosage
An advantage of a continuous backwash, up flow, deep bed sand filters
is? - Precise Answer ✔✔Filters do not need to be taken out of service
for backwashing
The aeration tank dissolved oxygen has been running normal, 1.5 to 2.0
mg/L the whole month.
Today's D.O. reading has spiked to nearly 6.0 mg/L in the aeration tank
and the clarifier and plant effluent or cloudy.
What is the most likely cause of the rise in D.O.? - Precise Answer
✔✔A toxic shock load of cyanide has entered the plant
Plant fecal coliform counts do not meet state standards.
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