Wastewater Practice Test (Florida)
Quiz_________________?
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is described as: -
Answer✅
A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly flow
Quiz_________________?
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally reported to
the state warning point no later than: -
Answer✅
24hrs from discovery
Quiz_________________?
What is the 'rule of thumb' regarding pump packing? -
Answer✅
Never put rings of new packing over the old packing
Quiz_________________?
According to FDEP chapter 62-60, FAC, a composite sample shall be used for which test? -
1
, Answer✅
Effluent CBOD
Quiz_________________?
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? -
Answer✅
Amperometric Titration
Quiz_________________?
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: -
Answer✅
Dissolved Oxygen(DO)
Quiz_________________?
Starting this type of pump against a closed valve can cause major damage to the pump, pump
piping, the operator, or all three -
Answer✅
Positive displacement pump
Quiz_________________?
These types of samples may be used for CBOD5 and nutrients at flows less than 100,000
GPD, according to chapter 62-601 -
Answer✅
Grab samples
Quiz_________________?
2
,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: -
Answer✅
Any major interruption of service
Quiz_________________?
What could cause a centrifugal above ground pump to be noisy while running -
Answer✅
Debris caught in the impeller housing
Quiz_________________?
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? -
Answer✅
28th day
Quiz_________________?
FDEP chapter 62-600 FC, domestic wastewater facilities, states that all treatment plants
shall be____________ -
Answer✅
Fenced
Quiz_________________?
As the operator of a primary clarifier, you notice a black and odorous septic wastewater
leaving the clarifier. What is the probable cause? -
Answer✅
Improper sludge removal
3
, Quiz_________________?
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? -
Answer✅
Pressurized water
Quiz_________________?
Chlorine gas is how many times heavier than air -
Answer✅
2.5
Quiz_________________?
The combination of methane and ____________ can be very combustible -
Answer✅
Oxygen
Quiz_________________?
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? -
Answer✅
Contact time too short
Quiz_________________?
A fixed sample is: -
Answer✅
A sample purposely spiked by the lab technician for QA/QC
Quiz_________________?
4
Quiz_________________?
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is described as: -
Answer✅
A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly flow
Quiz_________________?
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally reported to
the state warning point no later than: -
Answer✅
24hrs from discovery
Quiz_________________?
What is the 'rule of thumb' regarding pump packing? -
Answer✅
Never put rings of new packing over the old packing
Quiz_________________?
According to FDEP chapter 62-60, FAC, a composite sample shall be used for which test? -
1
, Answer✅
Effluent CBOD
Quiz_________________?
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? -
Answer✅
Amperometric Titration
Quiz_________________?
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: -
Answer✅
Dissolved Oxygen(DO)
Quiz_________________?
Starting this type of pump against a closed valve can cause major damage to the pump, pump
piping, the operator, or all three -
Answer✅
Positive displacement pump
Quiz_________________?
These types of samples may be used for CBOD5 and nutrients at flows less than 100,000
GPD, according to chapter 62-601 -
Answer✅
Grab samples
Quiz_________________?
2
,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: -
Answer✅
Any major interruption of service
Quiz_________________?
What could cause a centrifugal above ground pump to be noisy while running -
Answer✅
Debris caught in the impeller housing
Quiz_________________?
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? -
Answer✅
28th day
Quiz_________________?
FDEP chapter 62-600 FC, domestic wastewater facilities, states that all treatment plants
shall be____________ -
Answer✅
Fenced
Quiz_________________?
As the operator of a primary clarifier, you notice a black and odorous septic wastewater
leaving the clarifier. What is the probable cause? -
Answer✅
Improper sludge removal
3
, Quiz_________________?
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? -
Answer✅
Pressurized water
Quiz_________________?
Chlorine gas is how many times heavier than air -
Answer✅
2.5
Quiz_________________?
The combination of methane and ____________ can be very combustible -
Answer✅
Oxygen
Quiz_________________?
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? -
Answer✅
Contact time too short
Quiz_________________?
A fixed sample is: -
Answer✅
A sample purposely spiked by the lab technician for QA/QC
Quiz_________________?
4
