FLORIDA WASTEWATER OPERATOR CLASS
B EXAM 2026 ACTUAL SCRIPT WITH
ACCURATE ANSWERS GRADED A+
◉Low DO and nutrient deficiency will promote the growth of what?
A. Rotifers
B. Filamentous bacteria
C. Spirillium
D. Amoebas. Answer: B. Filamentous bacteria
◉When charging a lead-acid type battery for a composite sampler,
what dangerous gas could be produced?
A. Hydrogen
B. Oxygen
C. Hydrogen sulfide
D. Cyanide. Answer: A. Hydrogen
◉What is the best method in dealing with a chemical spill?
,A. Contain and clean up
B. Saw dust and kitty litter
C. Foam congaing super trimethyl bromine
D. Flood with water. Answer: A. Contain and clean up
◉There is septic wastewater entering your primary clarifier. What is
the problem?
A. Aerobic conditions in the collections system
B. Lift station pumps operating on short cycles
C. Anaerobic conditions in the collections systems
D. High flows due to a low MCRT. Answer: C. Anaerobic condition in
the collections system
◉Which of the following substances is highly viscous and very
slippery?
A. Calcium hypochlorite
B. Calcium oxide
C. Potassium permanganate
D. Polymer. Answer: D. Polymer
,◉If you pump green sludge to a drying bed what chemical should be
applied?
A. Polymer
B. Lime
C. Cl2
D. Alum. Answer: B. Lime
◉Chlorine leaks can be detected by?
A. ISCBA
B. Ammonia solution with Q-Tip
C. Alcohol vapor
D. Spray with mist of water. Answer: B. Ammonia solution with Q-Tip
◉What takes place in the stabilization tank in a contact stabilization
plant?
A. Adsorption
B. Clarification
C. BNR
D. Absorption. Answer: D. Absorption
, ◉Why is an aerobic digester covered?
A. Hold in gas
B. Protect for contaminants
C. Reduce radiation
D. Protect from cold weather. Answer: D. Protect from cold weather
◉Which of the following would you not use a grab sample on?
A. BOD
B. DO
C. pH
D. Temp. Answer: A. BOD
◉Staffing is based on what?
A. Budget
B. Flow and type of treatment
C. City Hall
D. Chief operator. Answer: B. Flow and type of treatment
B EXAM 2026 ACTUAL SCRIPT WITH
ACCURATE ANSWERS GRADED A+
◉Low DO and nutrient deficiency will promote the growth of what?
A. Rotifers
B. Filamentous bacteria
C. Spirillium
D. Amoebas. Answer: B. Filamentous bacteria
◉When charging a lead-acid type battery for a composite sampler,
what dangerous gas could be produced?
A. Hydrogen
B. Oxygen
C. Hydrogen sulfide
D. Cyanide. Answer: A. Hydrogen
◉What is the best method in dealing with a chemical spill?
,A. Contain and clean up
B. Saw dust and kitty litter
C. Foam congaing super trimethyl bromine
D. Flood with water. Answer: A. Contain and clean up
◉There is septic wastewater entering your primary clarifier. What is
the problem?
A. Aerobic conditions in the collections system
B. Lift station pumps operating on short cycles
C. Anaerobic conditions in the collections systems
D. High flows due to a low MCRT. Answer: C. Anaerobic condition in
the collections system
◉Which of the following substances is highly viscous and very
slippery?
A. Calcium hypochlorite
B. Calcium oxide
C. Potassium permanganate
D. Polymer. Answer: D. Polymer
,◉If you pump green sludge to a drying bed what chemical should be
applied?
A. Polymer
B. Lime
C. Cl2
D. Alum. Answer: B. Lime
◉Chlorine leaks can be detected by?
A. ISCBA
B. Ammonia solution with Q-Tip
C. Alcohol vapor
D. Spray with mist of water. Answer: B. Ammonia solution with Q-Tip
◉What takes place in the stabilization tank in a contact stabilization
plant?
A. Adsorption
B. Clarification
C. BNR
D. Absorption. Answer: D. Absorption
, ◉Why is an aerobic digester covered?
A. Hold in gas
B. Protect for contaminants
C. Reduce radiation
D. Protect from cold weather. Answer: D. Protect from cold weather
◉Which of the following would you not use a grab sample on?
A. BOD
B. DO
C. pH
D. Temp. Answer: A. BOD
◉Staffing is based on what?
A. Budget
B. Flow and type of treatment
C. City Hall
D. Chief operator. Answer: B. Flow and type of treatment
