1
WATER DISTRIBUTION Questions with
Answers (100% Correct Answers)
CFR Answer: Code of Federal Regulations
E.P.A. Answer: Environmental Protection Agency
T.D.S. Answer: Total Dissolved Solids (mg/L)
C.C.R. Answer: Consumer confidence report
A.R.V. Answer: Air Relief Valve
S.O.P. Answer: Standard Operating Procedure
Micro Answer: small
Macro Answer: Can see with your naked eye
Aerobic Answer: Dissolved Oxygen
Anaerobic Answer: without oxygen
U.F.W. Answer: Unaccounted For Water
(Allowed 10%-20% water loss)
C.U.P. Answer: Consumptive Use Permit
T.D.H. Answer: Total Dynamic Head
D.C.D.A Answer: Double Check Detector Assembly
What the Universal Solvent? Answer: Water
Static Answer: Stop
Dynamic Answer: Moving
S.C.B.A Answer: Self Contained Breathing Apparatus
,2
C.I.P Answer: Capital Improvement Program
M.S.D.S. Answer: Material Safety Data Sheet
(16 Sections)
Interface Answer: A common boundary where different parts of a system
interact.
(Water and Soil)
Sanitary Survey Answer: A detailed evaluation or inspection of a source of
water supply and all conveyances, storage, treatment, and distribution facilities
to ensure protection of the water supply from all pollution sources.
Friction loss Answer: Loss of pressure created by the turbulence of water
moving against the interior walls of fire hose, pipes, fittings, and adapters.
Electrical Reaction Answer: Chemical changes produced by electricity.
(Galvanic Action)
After Growth Answer: Disinfectant by product left by chlorine
Ventri Meter Answer: A venturimeter is a device used to measure the fluid flow
through pipes. This difference in pressure is measured with the help of a
manometer and helps in determining rate of fluid flow or other discharge from
the pipe line.
Hydraulic Grade Line (H.G.L.) Answer: If a pipe is under pressure,
thehydraulic grade line is that level water would rise to in a small, vertical tube
connected to the pipe.
Residual Chlorine Answer: The concentration of chlorine present in water after
the chlorine demand has been satisfied.
As water ___________ increases, water____________ decreases. (Friction Loss)
Answer: Velocity Pressure
, 3
What is the most commonly use disinfectant in distribution systems? Answer:
Free Chlorine
What does chlorine and ammonia make? Answer: Chloramines
Chloramines Answer: A dosage of 3 parts of chlorine to 1 part ammonia will
form Monochloramines.
If using Combined Chlorine and Chloramines (Monochloramines), what does
it need to be in the distribution system? Answer: 1.2 leaving the plant
0.6 at the farthest point
What is the second most commonly used disinfectant in distribution systems?
Answer: Monochloramines
What is a disadvantage of using Monochloramines? Answer:
Monochloramines removal is required for people undergoing dialysis.
Where does Break Point Chlorination occur on the curve? Answer: 4 on the
curve
How often do Water Storage tanks have to be cleaned and who has to sign off
on them? Answer: Every 5 years and they have to be signed off on by a P.E..
How wide should a Trench Box be over a pipe? Answer: Required clearance
will vary from 1' to 1.5'.
When building a Trench Box, what type of material do you use? Answer: Full
Dimensional Rough Cut 4x4's
Trench Box, Stringers and Whalers
In a trench, how far apart do ladders need to be and how far must they stick
up? Answer: 25' apart and must stick up above the 3' hole.
Tranmission Lines Answer: Go from point A to point B and there are no
services lines.
WATER DISTRIBUTION Questions with
Answers (100% Correct Answers)
CFR Answer: Code of Federal Regulations
E.P.A. Answer: Environmental Protection Agency
T.D.S. Answer: Total Dissolved Solids (mg/L)
C.C.R. Answer: Consumer confidence report
A.R.V. Answer: Air Relief Valve
S.O.P. Answer: Standard Operating Procedure
Micro Answer: small
Macro Answer: Can see with your naked eye
Aerobic Answer: Dissolved Oxygen
Anaerobic Answer: without oxygen
U.F.W. Answer: Unaccounted For Water
(Allowed 10%-20% water loss)
C.U.P. Answer: Consumptive Use Permit
T.D.H. Answer: Total Dynamic Head
D.C.D.A Answer: Double Check Detector Assembly
What the Universal Solvent? Answer: Water
Static Answer: Stop
Dynamic Answer: Moving
S.C.B.A Answer: Self Contained Breathing Apparatus
,2
C.I.P Answer: Capital Improvement Program
M.S.D.S. Answer: Material Safety Data Sheet
(16 Sections)
Interface Answer: A common boundary where different parts of a system
interact.
(Water and Soil)
Sanitary Survey Answer: A detailed evaluation or inspection of a source of
water supply and all conveyances, storage, treatment, and distribution facilities
to ensure protection of the water supply from all pollution sources.
Friction loss Answer: Loss of pressure created by the turbulence of water
moving against the interior walls of fire hose, pipes, fittings, and adapters.
Electrical Reaction Answer: Chemical changes produced by electricity.
(Galvanic Action)
After Growth Answer: Disinfectant by product left by chlorine
Ventri Meter Answer: A venturimeter is a device used to measure the fluid flow
through pipes. This difference in pressure is measured with the help of a
manometer and helps in determining rate of fluid flow or other discharge from
the pipe line.
Hydraulic Grade Line (H.G.L.) Answer: If a pipe is under pressure,
thehydraulic grade line is that level water would rise to in a small, vertical tube
connected to the pipe.
Residual Chlorine Answer: The concentration of chlorine present in water after
the chlorine demand has been satisfied.
As water ___________ increases, water____________ decreases. (Friction Loss)
Answer: Velocity Pressure
, 3
What is the most commonly use disinfectant in distribution systems? Answer:
Free Chlorine
What does chlorine and ammonia make? Answer: Chloramines
Chloramines Answer: A dosage of 3 parts of chlorine to 1 part ammonia will
form Monochloramines.
If using Combined Chlorine and Chloramines (Monochloramines), what does
it need to be in the distribution system? Answer: 1.2 leaving the plant
0.6 at the farthest point
What is the second most commonly used disinfectant in distribution systems?
Answer: Monochloramines
What is a disadvantage of using Monochloramines? Answer:
Monochloramines removal is required for people undergoing dialysis.
Where does Break Point Chlorination occur on the curve? Answer: 4 on the
curve
How often do Water Storage tanks have to be cleaned and who has to sign off
on them? Answer: Every 5 years and they have to be signed off on by a P.E..
How wide should a Trench Box be over a pipe? Answer: Required clearance
will vary from 1' to 1.5'.
When building a Trench Box, what type of material do you use? Answer: Full
Dimensional Rough Cut 4x4's
Trench Box, Stringers and Whalers
In a trench, how far apart do ladders need to be and how far must they stick
up? Answer: 25' apart and must stick up above the 3' hole.
Tranmission Lines Answer: Go from point A to point B and there are no
services lines.
