1|Page
Wastewater Practice Test (Florida) English Exam
ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | NEWEST EXAM!!!
What could cause a centrifugal above ground pump to be
noisy while running - 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? - Answer-28th day
FDEP chapter 62-600 FC, domestic wastewater facilities,
states that all treatment plants shall be____________ -
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? - Answer-Improper sludge removal
,2|Page
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
Chlorine gas is how many times heavier than air - Answer-
2.5
The combination of methane and ____________ can be
very combustible - 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? - Answer-Contact time too short
A fixed sample is: - 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: - Answer-
Falsified or misrepresented reports, logs, or lab sheets
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What process do the bacteria perform in the
stabilization(re-aeration) tank in the contact stabilization
process? - 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? -
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? - 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 ___________? - Answer-Not designed
for continuous occupancy
You noticed that your bearings are excessively hot on a
pump, why? - Answer-Over lubrication
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Where can you gain access for collection system
maintenance? - Answer-Man hole
Low DO and nutrient deficiency will promote the growth of
_________? - Answer-Filamentous bacteria
When charging a lead-acid type battery for a composite
sampler, what dangerous gas could be produced? -
Answer-Hydrogen
What is the best method in dealing with a chemical spill? -
Answer-Contain and clean up
There is septic wastewater entering your primary clarifier.
What is the problem? - Answer-Anaerobic conditions in the
collection systems
Which of the following substances is highly viscous and
very slippery? - Answer-Polymer
If you pump green sludge to a drying bed what chemical
should be applied? - Answer-Lime
Wastewater Practice Test (Florida) English Exam
ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | NEWEST EXAM!!!
What could cause a centrifugal above ground pump to be
noisy while running - 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? - Answer-28th day
FDEP chapter 62-600 FC, domestic wastewater facilities,
states that all treatment plants shall be____________ -
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? - Answer-Improper sludge removal
,2|Page
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
Chlorine gas is how many times heavier than air - Answer-
2.5
The combination of methane and ____________ can be
very combustible - 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? - Answer-Contact time too short
A fixed sample is: - 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: - Answer-
Falsified or misrepresented reports, logs, or lab sheets
,3|Page
What process do the bacteria perform in the
stabilization(re-aeration) tank in the contact stabilization
process? - 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? -
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? - 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 ___________? - Answer-Not designed
for continuous occupancy
You noticed that your bearings are excessively hot on a
pump, why? - Answer-Over lubrication
, 4|Page
Where can you gain access for collection system
maintenance? - Answer-Man hole
Low DO and nutrient deficiency will promote the growth of
_________? - Answer-Filamentous bacteria
When charging a lead-acid type battery for a composite
sampler, what dangerous gas could be produced? -
Answer-Hydrogen
What is the best method in dealing with a chemical spill? -
Answer-Contain and clean up
There is septic wastewater entering your primary clarifier.
What is the problem? - Answer-Anaerobic conditions in the
collection systems
Which of the following substances is highly viscous and
very slippery? - Answer-Polymer
If you pump green sludge to a drying bed what chemical
should be applied? - Answer-Lime
