LEVEL 1 WATER DISTRIBUTION FINAL EXAM ACTUAL
QUESTIONS AND ANSWERS SURE A+
Estimate how many gallons of water a circular talk 40 feet in diameter and 10 feet deep
will hold ? - ✔✔94,000 gallons
What is the percent accuracy for a water meter that registered 96,000 gallons when the
actual amount of water passing through it was 100,000 gallons ? - ✔✔96%
A head of 200 ft wouldn't be a pressure about ? - ✔✔85 psi
What is the best way to prevent back flow ? - ✔✔Permanently eliminate the hazard
A pumps runs about 24 hours. And pumped. 302,400 gallons the capacity of this pump
Is about ? - ✔✔200 gpm
Which Florida admin code relates to standards ,monitoring and reporting ? - ✔✔62-550
Which Florida Administrative Code refers to permitting ,construction and maintenance of
water systems ? - ✔✔62-555
Which Florida Administrative Code refers to out of compliance ? - ✔✔62-560
How many tiers of notifications are their for public notices ? - ✔✔3
#1.immediate notice
#2.30 days
#3. 1 year
Water mains parallel to sanitary sewers should be in at least ? - ✔✔10 feet
Water mains horizontally away from the sewers should be installed at least ? - ✔✔One
foot
Swab and pigs cleaning Aqua pigs ? - ✔✔Being introduced into the line through a
standard Y section regular T sections can also be used
Cement mortar lining of metal water mains in a place has proven to be very valuable
under which circumstances? - ✔✔Cement -mortar lining of metal water mains in place
has proven to be very valuable.
Pipe carrying capacity has been seriously decreased because of tuberculation .
Corrosion products are released into the water in unacceptable amounts and abnormal
leakage through poor joints or holes in the pipe wall exist
Liquid chlorine contains how much percentage ? Or gas - ✔✔100 percent
, What is the lowest strength of chlorine liquid solution ? - ✔✔5 to 15 percent
calcium hypochlorite is a dry material contains ? - ✔✔65 percent available chlorine
What AWWA standard describes the disinfection of water storage facilities ? - ✔✔C652-
02
Or
652
Minimum time period for retaining records lead and copper monitoring rule ? - ✔✔12
years
Chlorine to ammonia nitrogen ratios - ✔✔A dosage of 3 parts of chlorine to one part
ammonia (3:1) will form monochloramines this ratio provides an excess of ammonia
nitrogen Wich will be available to react with any chlorine added in the distribution
system to boost the chloramine residual
The maximum chlorine to ammonia ratio that can be achieved is 5:1
The minimum and maximum chloride residual in a water distribution system is ? -
✔✔0.2 mg/l and 4mg/L of free chlorine
Nitrate may not exceed what concentration when tested yearly for a groundwater
treatment plant ? - ✔✔10 mg/L
The minimum number of total coliform samples that must be collected per month is
based on Wich of the following ? - ✔✔The population served by the system
When a distribution bacteriological sample is positive for a total coliform the procedure
is ? - ✔✔Repeat the sample and take a sample 5 connections upstream and
downstream to confirm total coliform
For lead and copper sample the water must be In the pipeline for at least? - ✔✔6 hours
What is hydraulic grade line ? - ✔✔A line to which the water level would rise in a small
,vertical tube,connected to the pipe
How often should cathodic protection anodes in your system be inspected? - ✔✔Every
year
Water pipelines are generally designed to carry water at a velocity below ? - ✔✔2.5b
FPS. Feet per second
QUESTIONS AND ANSWERS SURE A+
Estimate how many gallons of water a circular talk 40 feet in diameter and 10 feet deep
will hold ? - ✔✔94,000 gallons
What is the percent accuracy for a water meter that registered 96,000 gallons when the
actual amount of water passing through it was 100,000 gallons ? - ✔✔96%
A head of 200 ft wouldn't be a pressure about ? - ✔✔85 psi
What is the best way to prevent back flow ? - ✔✔Permanently eliminate the hazard
A pumps runs about 24 hours. And pumped. 302,400 gallons the capacity of this pump
Is about ? - ✔✔200 gpm
Which Florida admin code relates to standards ,monitoring and reporting ? - ✔✔62-550
Which Florida Administrative Code refers to permitting ,construction and maintenance of
water systems ? - ✔✔62-555
Which Florida Administrative Code refers to out of compliance ? - ✔✔62-560
How many tiers of notifications are their for public notices ? - ✔✔3
#1.immediate notice
#2.30 days
#3. 1 year
Water mains parallel to sanitary sewers should be in at least ? - ✔✔10 feet
Water mains horizontally away from the sewers should be installed at least ? - ✔✔One
foot
Swab and pigs cleaning Aqua pigs ? - ✔✔Being introduced into the line through a
standard Y section regular T sections can also be used
Cement mortar lining of metal water mains in a place has proven to be very valuable
under which circumstances? - ✔✔Cement -mortar lining of metal water mains in place
has proven to be very valuable.
Pipe carrying capacity has been seriously decreased because of tuberculation .
Corrosion products are released into the water in unacceptable amounts and abnormal
leakage through poor joints or holes in the pipe wall exist
Liquid chlorine contains how much percentage ? Or gas - ✔✔100 percent
, What is the lowest strength of chlorine liquid solution ? - ✔✔5 to 15 percent
calcium hypochlorite is a dry material contains ? - ✔✔65 percent available chlorine
What AWWA standard describes the disinfection of water storage facilities ? - ✔✔C652-
02
Or
652
Minimum time period for retaining records lead and copper monitoring rule ? - ✔✔12
years
Chlorine to ammonia nitrogen ratios - ✔✔A dosage of 3 parts of chlorine to one part
ammonia (3:1) will form monochloramines this ratio provides an excess of ammonia
nitrogen Wich will be available to react with any chlorine added in the distribution
system to boost the chloramine residual
The maximum chlorine to ammonia ratio that can be achieved is 5:1
The minimum and maximum chloride residual in a water distribution system is ? -
✔✔0.2 mg/l and 4mg/L of free chlorine
Nitrate may not exceed what concentration when tested yearly for a groundwater
treatment plant ? - ✔✔10 mg/L
The minimum number of total coliform samples that must be collected per month is
based on Wich of the following ? - ✔✔The population served by the system
When a distribution bacteriological sample is positive for a total coliform the procedure
is ? - ✔✔Repeat the sample and take a sample 5 connections upstream and
downstream to confirm total coliform
For lead and copper sample the water must be In the pipeline for at least? - ✔✔6 hours
What is hydraulic grade line ? - ✔✔A line to which the water level would rise in a small
,vertical tube,connected to the pipe
How often should cathodic protection anodes in your system be inspected? - ✔✔Every
year
Water pipelines are generally designed to carry water at a velocity below ? - ✔✔2.5b
FPS. Feet per second
