FLORIDA WASTEWATER PRACTICE TEST
EXAM 2025 QUESTIONS AND ANSWERS.
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
described as: -correct answer - A chlorine residual of 0.5 mg/L for 15 minutes
at peak hourly flow
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally
reported to the state warning point no later than:
-correct answer - 24hrs from discovery
What is the 'rule of thumb' regarding pump packing? -correct answer - Never
put rings of new packing over the old packing
According to FDEP chapter 62-60, FAC, a composite sample shall be used
for which test? -correct answer - Effluent CBOD
Chlorine residual can be measured in several ways, including the use of DPD
reagent, spectrophotometers and iodometric titration.
Which of the following is also an approved method? -correct answer -
Amperometric Titration
,Chapter 62-601, Domestic wastewater treatment plant monitoring, states that
on-site tests for total residual chlorine, pH, and can be performed under
the direction of a certified operator: -correct answer - Dissolved Oxygen(DO)
Starting this type of pump against a closed valve can cause major damage to the
pump, pump piping, the operator, or all three - correct answer - Positive
displacement pump
These types of samples may be used for CBOD5 and nutrients at flows less than
100,000 GPD, according to chapter 62-601 - correct answer - Grab samples
According to FDEP chapter 62-602, drinking water and wastewater treatment
plant operators, duties of operators includes reporting to the permittee and the
department, as soon as possible, but within 24hrs: -correct answer - Any
major interruption of service
What could cause a centrifugal above ground pump to be noisy while running -
correct answer - Debris caught in the impeller housing
According to FDEP chapter 62-601 FAC, Domestic wastewater treatment
plant monitoring, discharge monitoring reports (DMRs) for the previous
month must be submitted to the department by the day of the current
month? -correct answer - 28th day
, FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
treatment plants shall be -correct answer
- Fenced
As the operator of a primary clarifier, you notice a black and odorous septic
wastewater leaving the clarifier. What is the probable cause? -correct answer -
Improper sludge removal
A fire has started in the maintenance shop due to an ignition of petroleum oil.
Which type of fire extinguisher should NOT be used to fight the fire? -correct
answer - Pressurized water
Chlorine gas is how many times heavier than air -correct answer - 2.5
The combination of methane and can be
very combustible -correct answer - Oxygen
Plant effluent coliform count fails to meet the required standards for
disinfection. Chlorine residual is normal. Disinfectant supplies ARE NOT a
problem. What is the probable cause? -correct answer - Contact time too short
EXAM 2025 QUESTIONS AND ANSWERS.
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
described as: -correct answer - A chlorine residual of 0.5 mg/L for 15 minutes
at peak hourly flow
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally
reported to the state warning point no later than:
-correct answer - 24hrs from discovery
What is the 'rule of thumb' regarding pump packing? -correct answer - Never
put rings of new packing over the old packing
According to FDEP chapter 62-60, FAC, a composite sample shall be used
for which test? -correct answer - Effluent CBOD
Chlorine residual can be measured in several ways, including the use of DPD
reagent, spectrophotometers and iodometric titration.
Which of the following is also an approved method? -correct answer -
Amperometric Titration
,Chapter 62-601, Domestic wastewater treatment plant monitoring, states that
on-site tests for total residual chlorine, pH, and can be performed under
the direction of a certified operator: -correct answer - Dissolved Oxygen(DO)
Starting this type of pump against a closed valve can cause major damage to the
pump, pump piping, the operator, or all three - correct answer - Positive
displacement pump
These types of samples may be used for CBOD5 and nutrients at flows less than
100,000 GPD, according to chapter 62-601 - correct answer - Grab samples
According to FDEP chapter 62-602, drinking water and wastewater treatment
plant operators, duties of operators includes reporting to the permittee and the
department, as soon as possible, but within 24hrs: -correct answer - Any
major interruption of service
What could cause a centrifugal above ground pump to be noisy while running -
correct answer - Debris caught in the impeller housing
According to FDEP chapter 62-601 FAC, Domestic wastewater treatment
plant monitoring, discharge monitoring reports (DMRs) for the previous
month must be submitted to the department by the day of the current
month? -correct answer - 28th day
, FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
treatment plants shall be -correct answer
- Fenced
As the operator of a primary clarifier, you notice a black and odorous septic
wastewater leaving the clarifier. What is the probable cause? -correct answer -
Improper sludge removal
A fire has started in the maintenance shop due to an ignition of petroleum oil.
Which type of fire extinguisher should NOT be used to fight the fire? -correct
answer - Pressurized water
Chlorine gas is how many times heavier than air -correct answer - 2.5
The combination of methane and can be
very combustible -correct answer - Oxygen
Plant effluent coliform count fails to meet the required standards for
disinfection. Chlorine residual is normal. Disinfectant supplies ARE NOT a
problem. What is the probable cause? -correct answer - Contact time too short
