Florida Wastewater Test with correct |||| |||| |||| |||| ||||
detailed solutions ||||
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
|||| |||| |||| |||| |||| |||| |||| ||||
A fixed sample is: - correct answer✔✔A sample purposely spiked by the lab
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
technician for QA/QC |||| ||||
According to FDEP chapter 62-602 FAC, an operator could have his license |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
permanently revoked for: - correct answer✔✔Falsified or misrepresented |||| |||| |||| |||| |||| |||| |||| ||||
reports, logs, or lab sheets |||| |||| |||| ||||
What process do the bacteria perform in the stabilization(re-aeration) tank in the
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
contact stabilization process? - correct answer✔✔Absorption and digestion of
|||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
the waste material they collected
|||| |||| |||| ||||
A screenings dumpster at the head works of the treatment plant is full at the end
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
of the day. The dumpster is 6ft tall, 10ft long, and 8ft wide. How many cubic yards
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
of screenings must be disposed of in a 30 day month? - correct answer✔✔533 (6
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
x 10 x 8 = 480) (480 /27 = 17.7) (17.7 x 30 = 533)
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
When properly adjusted, the rope packing on a centrifugal pump is designed to
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
leak how much? - correct answer✔✔One drip per second
|||| |||| |||| |||| |||| |||| |||| ||||
A confined space is defined as having a space large enough to bodily enter and
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
perform work, has limited entry and egress and is ___________? - correct |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
answer✔✔Not designed for continuous occupancy |||| |||| |||| ||||
You noticed that your bearings are excessively hot on a pump, why? - correct
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
answer✔✔Over lubrication ||||
detailed solutions ||||
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
|||| |||| |||| |||| |||| |||| |||| ||||
A fixed sample is: - correct answer✔✔A sample purposely spiked by the lab
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
technician for QA/QC |||| ||||
According to FDEP chapter 62-602 FAC, an operator could have his license |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
permanently revoked for: - correct answer✔✔Falsified or misrepresented |||| |||| |||| |||| |||| |||| |||| ||||
reports, logs, or lab sheets |||| |||| |||| ||||
What process do the bacteria perform in the stabilization(re-aeration) tank in the
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
contact stabilization process? - correct answer✔✔Absorption and digestion of
|||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
the waste material they collected
|||| |||| |||| ||||
A screenings dumpster at the head works of the treatment plant is full at the end
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
of the day. The dumpster is 6ft tall, 10ft long, and 8ft wide. How many cubic yards
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
of screenings must be disposed of in a 30 day month? - correct answer✔✔533 (6
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
x 10 x 8 = 480) (480 /27 = 17.7) (17.7 x 30 = 533)
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
When properly adjusted, the rope packing on a centrifugal pump is designed to
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
leak how much? - correct answer✔✔One drip per second
|||| |||| |||| |||| |||| |||| |||| ||||
A confined space is defined as having a space large enough to bodily enter and
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
perform work, has limited entry and egress and is ___________? - correct |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
answer✔✔Not designed for continuous occupancy |||| |||| |||| ||||
You noticed that your bearings are excessively hot on a pump, why? - correct
|||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| |||| ||||
answer✔✔Over lubrication ||||
