1|Page
FLORIDA WASTEWATER EXAM LATEST 2025 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
What growth phase is an aerobic digester operated in? -
ANSWER-Endogenous respiration
If excessive pressure builds up in a chlorine tank due to excessive
heat, what will prevent explosions? - ANSWER-Fusible plug
You notice that your bearings are excessively hot on a pump.
Why? - ANSWER-Over lubrication
Where can you gain access for collection system maintenance? -
ANSWER-Man hole
Low DO and nutrient deficiency will promote growth of what? -
ANSWER-Filamentous bacteria
Chlorine leaks can be detected by? - ANSWER-Ammonia solution
with Q-Tip
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What takes places in the stabilization tank in a contact
stabilization plant? - ANSWER-Absorption
Why is an aerobic digester covered? - ANSWER-Protect from
cold weather
Which of the following would you not use a grab sample on? -
ANSWER-BOD
Staffing is based on what? - ANSWER-Flow and type of treatment
What condition does an operator have the least amount of control
over? - ANSWER-Temp
Why would you chlorinate a RAS line? - ANSWER-Control
filamentous bacteria
What is the most common type of pond? - ANSWER-Facultative
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Denitrification will cause what? - ANSWER-Rising sludge
What type of ponds are used after a trickling filter, activated
sludge, or RBC plant? - ANSWER-Polishing pond
Convert 27°C to Fahrenheit - ANSWER-80.6°F
You have excessive billowing white sudsy foam on the surface of
your aerator. What is the cause? - ANSWER-F/M too high
If you have a sudden increase of BOD by 50% or a BOD >400.
What is this termed? - ANSWER-Increased organic load
Coliform bacteria are used for what? - ANSWER-Indicators of
possible presence of pathogenic organisms
Where does the effluent from the aerator go? - ANSWER-
Secondary clarifier
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A decrease in temperature will have what effect on disinfection? -
ANSWER-Require longer contact time
CL2 combined with ammonia forms what? - ANSWER-
Chloramines
At what pH would disinfection be at its greatest? - ANSWER-5
It can be said that the lower the __________ , the greater the
________ - ANSWER-pH ; Disinfection
What is the distance between manholes? - ANSWER-300-500ft
What is the best range of parameters for the Activated Sludge
Process? - ANSWER-2ppm DO, pH 7.0, 80-95°F
What is the breakdown of nitrate to nitrogen gas called? -
ANSWER-Denitrification
FLORIDA WASTEWATER EXAM LATEST 2025 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
What growth phase is an aerobic digester operated in? -
ANSWER-Endogenous respiration
If excessive pressure builds up in a chlorine tank due to excessive
heat, what will prevent explosions? - ANSWER-Fusible plug
You notice that your bearings are excessively hot on a pump.
Why? - ANSWER-Over lubrication
Where can you gain access for collection system maintenance? -
ANSWER-Man hole
Low DO and nutrient deficiency will promote growth of what? -
ANSWER-Filamentous bacteria
Chlorine leaks can be detected by? - ANSWER-Ammonia solution
with Q-Tip
,2|Page
What takes places in the stabilization tank in a contact
stabilization plant? - ANSWER-Absorption
Why is an aerobic digester covered? - ANSWER-Protect from
cold weather
Which of the following would you not use a grab sample on? -
ANSWER-BOD
Staffing is based on what? - ANSWER-Flow and type of treatment
What condition does an operator have the least amount of control
over? - ANSWER-Temp
Why would you chlorinate a RAS line? - ANSWER-Control
filamentous bacteria
What is the most common type of pond? - ANSWER-Facultative
,3|Page
Denitrification will cause what? - ANSWER-Rising sludge
What type of ponds are used after a trickling filter, activated
sludge, or RBC plant? - ANSWER-Polishing pond
Convert 27°C to Fahrenheit - ANSWER-80.6°F
You have excessive billowing white sudsy foam on the surface of
your aerator. What is the cause? - ANSWER-F/M too high
If you have a sudden increase of BOD by 50% or a BOD >400.
What is this termed? - ANSWER-Increased organic load
Coliform bacteria are used for what? - ANSWER-Indicators of
possible presence of pathogenic organisms
Where does the effluent from the aerator go? - ANSWER-
Secondary clarifier
, 4|Page
A decrease in temperature will have what effect on disinfection? -
ANSWER-Require longer contact time
CL2 combined with ammonia forms what? - ANSWER-
Chloramines
At what pH would disinfection be at its greatest? - ANSWER-5
It can be said that the lower the __________ , the greater the
________ - ANSWER-pH ; Disinfection
What is the distance between manholes? - ANSWER-300-500ft
What is the best range of parameters for the Activated Sludge
Process? - ANSWER-2ppm DO, pH 7.0, 80-95°F
What is the breakdown of nitrate to nitrogen gas called? -
ANSWER-Denitrification
