Page | 1
FLORIDA WASTEWATER PRACTICE TEST REVISION EXAM
2025| BRAND NEW ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS| GUARANTEED
VALUE PACK| ACE YOUR GRADES.
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
, Page | 2
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)
, Page | 3
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
, Page | 4
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
FLORIDA WASTEWATER PRACTICE TEST REVISION EXAM
2025| BRAND NEW ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS| GUARANTEED
VALUE PACK| ACE YOUR GRADES.
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
, Page | 2
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)
, Page | 3
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
, Page | 4
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
