Wastewater Practice Test (Florida)!!!!!!!!!
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
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described as: - A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly
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flow
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FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbal
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reported to the state warning point no later than: - 24hrs from discovery
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What is the 'rule of thumb' regarding pump packing? - Never put rings of new
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packing over the old packing
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According to FDEP chapter 62-60, FAC, a composite sample shall be used for j j j j j j j j j j j j
which test? - Effluent CBOD
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Chlorine residual can be measured in several ways, including the use of DPD
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reagent, spectrophotometers and iodometric titration. Which of the followin
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is also an approved method? - Amperometric Titration
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Chapter 62-601, Domestic wastewater treatment plant monitoring, states
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that on-site tests for total residual chlorine, pH, and _______ can be performed
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under the direction of a certified operator: - Dissolved Oxygen(DO)
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Starting this type of pump against a closed valve can cause major damage to
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the pump, pump piping, the operator, or all three - Positive displacement
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pump
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These types of samples may be used for CBOD5 and nutrients at flows less
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than 100,000 GPD, according to chapter 62-601 - Grab samples
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According to FDEP chapter 62-602, drinking water and wastewater treatmen j j j j j j j j j
plant operators, duties of operators includes reporting to the permittee and
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the department, as soon as possible, but within 24hrs: - Any major interruptio
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of service
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What could cause a centrifugal above ground pump to be noisy while running
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Debris caught in the impeller housing
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15
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, According to FDEP chapter 62-601 FAC, Domestic wastewater treatment j j j j j j j j
plant monitoring, discharge monitoring reports (DMRs) for the previous
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month must be submitted to the department by the ____________ day of the
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current month? - 28th day
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FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
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treatment plants shall be____________ - Fenced
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As the operator of a primary clarifier, you notice a black and odorous septic
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wastewater leaving the clarifier. What is the probable cause? - Improper
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sludge removal
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A fire has started in the maintenance shop due to an ignition of petroleum oil.
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Which type of fire extinguisher should NOT be used to fight the fire? -
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Pressurized water
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Chlorine gas is how many times heavier than air - 2.5 j j j j j j j j j j
The combination of methane and ____________ can be very combustible -
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Oxygen
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Plant effluent coliform count fails to meet the required standards for
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disinfection. Chlorine residual is normal. Disinfectant supplies ARE NOT a
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problem. What is the probable cause? - Contact time too short
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A fixed sample is: - A sample purposely spiked by the lab technician for QA/QC
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According to FDEP chapter 62-602 FAC, an operator could have his license j j j j j j j j j j j
permanently revoked for: - Falsified or misrepresented reports, logs, or lab
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sheets
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What process do the bacteria perform in the stabilization(re-aeration) tank in
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the contact stabilization process? - Absorption and digestion of the waste
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material they collected
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A screenings dumpster at the head works of the treatment plant is full at the
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end of the day. The dumpster is 6ft tall, 10ft long, and 8ft wide. How many
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cubic yards of screenings must be disposed of in a 30 day month? - 533 (6 x 10
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2/ j
15
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According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
j j j j j j j j j j j
described as: - A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly
j j j j j j j j j j j j j j j
flow
j
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbal
j j j j j j j j j j j
reported to the state warning point no later than: - 24hrs from discovery
j j j j j j j j j j j j j
What is the 'rule of thumb' regarding pump packing? - Never put rings of new
j j j j j j j j j j j j j j
packing over the old packing
j j j j j
According to FDEP chapter 62-60, FAC, a composite sample shall be used for j j j j j j j j j j j j
which test? - Effluent CBOD
j j j j j
Chlorine residual can be measured in several ways, including the use of DPD
j j j j j j j j j j j j
reagent, spectrophotometers and iodometric titration. Which of the followin
j j j j j j j j j
is also an approved method? - Amperometric Titration
j j j j j j j j
Chapter 62-601, Domestic wastewater treatment plant monitoring, states
j j j j j j j
that on-site tests for total residual chlorine, pH, and _______ can be performed
j j j j j j j j j j j j j
under the direction of a certified operator: - Dissolved Oxygen(DO)
j j j j j j j j j j
Starting this type of pump against a closed valve can cause major damage to
j j j j j j j j j j j j j
the pump, pump piping, the operator, or all three - Positive displacement
j j j j j j j j j j j j
pump
j
These types of samples may be used for CBOD5 and nutrients at flows less
j j j j j j j j j j j j j
than 100,000 GPD, according to chapter 62-601 - Grab samples
j j j j j j j j j j
According to FDEP chapter 62-602, drinking water and wastewater treatmen j j j j j j j j j
plant operators, duties of operators includes reporting to the permittee and
j j j j j j j j j j j
the department, as soon as possible, but within 24hrs: - Any major interruptio
j j j j j j j j j j j j j
of service
j j
What could cause a centrifugal above ground pump to be noisy while running
j j j j j j j j j j j j
Debris caught in the impeller housing
j j j j j j
1/ j
15
j
, According to FDEP chapter 62-601 FAC, Domestic wastewater treatment j j j j j j j j
plant monitoring, discharge monitoring reports (DMRs) for the previous
j j j j j j j j j
month must be submitted to the department by the ____________ day of the
j j j j j j j j j j j j j
current month? - 28th day
j j j j j
FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
j j j j j j j j j
treatment plants shall be____________ - Fenced
j j j j j j
As the operator of a primary clarifier, you notice a black and odorous septic
j j j j j j j j j j j j j
wastewater leaving the clarifier. What is the probable cause? - Improper
j j j j j j j j j j j
sludge removal
j j
A fire has started in the maintenance shop due to an ignition of petroleum oil.
j j j j j j j j j j j j j j
Which type of fire extinguisher should NOT be used to fight the fire? -
j j j j j j j j j j j j j j
Pressurized water
j j
Chlorine gas is how many times heavier than air - 2.5 j j j j j j j j j j
The combination of methane and ____________ can be very combustible -
j j j j j j j j j j
Oxygen
j
Plant effluent coliform count fails to meet the required standards for
j j j j j j j j j j
disinfection. Chlorine residual is normal. Disinfectant supplies ARE NOT a
j j j j j j j j j j
problem. What is the probable cause? - Contact time too short
j j j j j j j j j j j
A fixed sample is: - A sample purposely spiked by the lab technician for QA/QC
j j j j j j j j j j j j j j
According to FDEP chapter 62-602 FAC, an operator could have his license j j j j j j j j j j j
permanently revoked for: - Falsified or misrepresented reports, logs, or lab
j j j j j j j j j j j
sheets
j
What process do the bacteria perform in the stabilization(re-aeration) tank in
j j j j j j j j j j
the contact stabilization process? - Absorption and digestion of the waste
j j j j j j j j j j j
material they collected
j j j
A screenings dumpster at the head works of the treatment plant is full at the
j j j j j j j j j j j j j j
end of the day. The dumpster is 6ft tall, 10ft long, and 8ft wide. How many
j j j j j j j j j j j j j j j j
cubic yards of screenings must be disposed of in a 30 day month? - 533 (6 x 10
j j j j j j j j j j j j j j j j j j
2/ j
15
j
