Wastewater Practice Test (Florida)
English
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
described
as: correct answers 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 answers 24hrs
from discovery
What is the 'rule of thumb' regarding pump packing? correct answers Never
put rings
new of over the old
packing
packing
According to FDEP chapter 62-60, FAC, a composite sample shall be used
for which
test? correct answers 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 answers 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
of a certified operator: correct answers Dissolved
direction
Oxygen(DO)
Starting this type of pump against a closed valve can cause major damage
to the piping,
pump pump, the operator, or all three correct answers Positive
displacement pump
These types of samples may be used for CBOD5 and nutrients at flows
less thanGPD, according to chapter 62-601 correct answers Grab
100,000
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 answers Any major
interruption of service
What could cause a centrifugal above ground pump to be noisy while
running correct
answers 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
submitted tobe
the department by the day of the current month?
correct
answers 28th
day
FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
treatment
shall be plants correct answers
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 answers
Improper sludge
remov
al
A fire has started in the maintenance shop due to an ignition of
petroleum
type of fireoil. Which
extinguisher should NOT be used to fight the fire?
correct answers
Pressurized
water
Chlorine gas is how many times heavier than air correct
answers 2.5
The combination of methane and can be very combustible
correct
answers
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 answers Contact time
too short
A fixed sample is: correct answers 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 answers Falsified or misrepresented
reports, logs, or
lab
sheets
What process do the bacteria perform in the stabilization(re-aeration) tank in
the contact process? correct answers Absorption and digestion of the
stabilization
waste
they material
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 answers 533 (6
x 10 x 8 =
When properly adjusted, the rope packing on a centrifugal pump is
480) (480 /27 = 17.7) (17.7 x 30
designed
how much?
= 533) to leak
correct answers 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
for continuous
answers Not designed
occupancy
You noticed that your bearings are excessively hot on a pump, why?
correct answers
Over
lubrication
Where can you gain access for collection system maintenance? correct
answers Man
hol
e
English
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
described
as: correct answers 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 answers 24hrs
from discovery
What is the 'rule of thumb' regarding pump packing? correct answers Never
put rings
new of over the old
packing
packing
According to FDEP chapter 62-60, FAC, a composite sample shall be used
for which
test? correct answers 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 answers 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
of a certified operator: correct answers Dissolved
direction
Oxygen(DO)
Starting this type of pump against a closed valve can cause major damage
to the piping,
pump pump, the operator, or all three correct answers Positive
displacement pump
These types of samples may be used for CBOD5 and nutrients at flows
less thanGPD, according to chapter 62-601 correct answers Grab
100,000
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 answers Any major
interruption of service
What could cause a centrifugal above ground pump to be noisy while
running correct
answers 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
submitted tobe
the department by the day of the current month?
correct
answers 28th
day
FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
treatment
shall be plants correct answers
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 answers
Improper sludge
remov
al
A fire has started in the maintenance shop due to an ignition of
petroleum
type of fireoil. Which
extinguisher should NOT be used to fight the fire?
correct answers
Pressurized
water
Chlorine gas is how many times heavier than air correct
answers 2.5
The combination of methane and can be very combustible
correct
answers
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 answers Contact time
too short
A fixed sample is: correct answers 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 answers Falsified or misrepresented
reports, logs, or
lab
sheets
What process do the bacteria perform in the stabilization(re-aeration) tank in
the contact process? correct answers Absorption and digestion of the
stabilization
waste
they material
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 answers 533 (6
x 10 x 8 =
When properly adjusted, the rope packing on a centrifugal pump is
480) (480 /27 = 17.7) (17.7 x 30
designed
how much?
= 533) to leak
correct answers 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
for continuous
answers Not designed
occupancy
You noticed that your bearings are excessively hot on a pump, why?
correct answers
Over
lubrication
Where can you gain access for collection system maintenance? correct
answers Man
hol
e
