5/19/25, 2:21 PM Water Distribution 1 QUESTIONS WITH ACCURATE VERIFIED ANSWERS (ACCURATE SOLUTIONS) A+ PASSED!! 2025 E…
Water Distribution 1 QUESTIONS WITH
ACCURATE VERIFIED ANSWERS (ACCURATE
SOLUTIONS) A+ PASSED!! 2025 EXAM
Save
Terms in this set (111)
Head is measured in height (feet) or pressure
Which type of valve will Air-and-vacuum relief valve
prevent the collapse of a
pipe
The highest degree of cathodic protection
protection of a coated
steel pipe is....
At which time of day is In the morning
the age of the water
stored in the distribution
system the
highest/oldest?
One of chlorine has a persistent residual
advantages is that it
Chlorine gas is _____ times 2.5X
heavier than air.
After a water storage Coliform test
tank has been
chlorinated, which
bacteriological test must
prove negative before
the tank is put back into
service.
https://quizlet.com/1045714081/water-distribution-1-questions-with-accurate-verified-answers-accurate-solutions-a-passed-2025-exam-flash-cards/ 1/16
,5/19/25, 2:21 PM Water Distribution 1 QUESTIONS WITH ACCURATE VERIFIED ANSWERS (ACCURATE SOLUTIONS) A+ PASSED!! 2025 E…
~~~~~~Which is the best Use a chlorine gas detector and place it near any
and most reliable way of area suspected of leaking.
finding a very small
chlorine leak?
The minimum required a detectable level
free chlorine residual
anywhere in the
distribution system is
First draw samples for the 6 hours
analysis of lead and
copper water must be
collected from taps
where the water has
stood motionless in the
plumbing for at least
Samples collected for Sodium thiosulfate
cloakrooms are collected
in plastic bottles that
must contain
The volume of a sample 100 ml
for coliform compliance
is
If a water sample is not 15 minutes
analyzed immediately for
chlorine residual, it is
acceptable to be
analyzed within
The heart of a pump is impeller
called the
Which device serves the Mechanical seal
same function as the
packing
Which is used to stop air seals
leakage into the casing
around the pump shaft
https://quizlet.com/1045714081/water-distribution-1-questions-with-accurate-verified-answers-accurate-solutions-a-passed-2025-exam-flash-cards/ 2/16
, 5/19/25, 2:21 PM Water Distribution 1 QUESTIONS WITH ACCURATE VERIFIED ANSWERS (ACCURATE SOLUTIONS) A+ PASSED!! 2025 E…
Which is at the top of a Packing gland
stuffing box?
Which assembly holds Stuffing box
the lantern ring and
packing?
Why is it important to To prevent cavitation from occurring
monitor the speed of a
variable speed pump?
~~~Which basic electrical Ohm
unit is used to measure a
materials opposition of
flow of electricity?
The first oil change on a After a month of operation
pump should be done
How often should the Once a month
temperature of
centrifugal pump motor
bearings be checked
with a thermometer?
~~~~All sensors that Air
respond to liquid
pressure will preform
poorly if _______ enters the
air sensor
Which agency sets limits United States Environmental Protection Agency
on the concentration
levels of harmful
contaminants in potable
water distributed to
costumers?
Which violations are most Tier 1
serious?
https://quizlet.com/1045714081/water-distribution-1-questions-with-accurate-verified-answers-accurate-solutions-a-passed-2025-exam-flash-cards/ 3/16
Water Distribution 1 QUESTIONS WITH
ACCURATE VERIFIED ANSWERS (ACCURATE
SOLUTIONS) A+ PASSED!! 2025 EXAM
Save
Terms in this set (111)
Head is measured in height (feet) or pressure
Which type of valve will Air-and-vacuum relief valve
prevent the collapse of a
pipe
The highest degree of cathodic protection
protection of a coated
steel pipe is....
At which time of day is In the morning
the age of the water
stored in the distribution
system the
highest/oldest?
One of chlorine has a persistent residual
advantages is that it
Chlorine gas is _____ times 2.5X
heavier than air.
After a water storage Coliform test
tank has been
chlorinated, which
bacteriological test must
prove negative before
the tank is put back into
service.
https://quizlet.com/1045714081/water-distribution-1-questions-with-accurate-verified-answers-accurate-solutions-a-passed-2025-exam-flash-cards/ 1/16
,5/19/25, 2:21 PM Water Distribution 1 QUESTIONS WITH ACCURATE VERIFIED ANSWERS (ACCURATE SOLUTIONS) A+ PASSED!! 2025 E…
~~~~~~Which is the best Use a chlorine gas detector and place it near any
and most reliable way of area suspected of leaking.
finding a very small
chlorine leak?
The minimum required a detectable level
free chlorine residual
anywhere in the
distribution system is
First draw samples for the 6 hours
analysis of lead and
copper water must be
collected from taps
where the water has
stood motionless in the
plumbing for at least
Samples collected for Sodium thiosulfate
cloakrooms are collected
in plastic bottles that
must contain
The volume of a sample 100 ml
for coliform compliance
is
If a water sample is not 15 minutes
analyzed immediately for
chlorine residual, it is
acceptable to be
analyzed within
The heart of a pump is impeller
called the
Which device serves the Mechanical seal
same function as the
packing
Which is used to stop air seals
leakage into the casing
around the pump shaft
https://quizlet.com/1045714081/water-distribution-1-questions-with-accurate-verified-answers-accurate-solutions-a-passed-2025-exam-flash-cards/ 2/16
, 5/19/25, 2:21 PM Water Distribution 1 QUESTIONS WITH ACCURATE VERIFIED ANSWERS (ACCURATE SOLUTIONS) A+ PASSED!! 2025 E…
Which is at the top of a Packing gland
stuffing box?
Which assembly holds Stuffing box
the lantern ring and
packing?
Why is it important to To prevent cavitation from occurring
monitor the speed of a
variable speed pump?
~~~Which basic electrical Ohm
unit is used to measure a
materials opposition of
flow of electricity?
The first oil change on a After a month of operation
pump should be done
How often should the Once a month
temperature of
centrifugal pump motor
bearings be checked
with a thermometer?
~~~~All sensors that Air
respond to liquid
pressure will preform
poorly if _______ enters the
air sensor
Which agency sets limits United States Environmental Protection Agency
on the concentration
levels of harmful
contaminants in potable
water distributed to
costumers?
Which violations are most Tier 1
serious?
https://quizlet.com/1045714081/water-distribution-1-questions-with-accurate-verified-answers-accurate-solutions-a-passed-2025-exam-flash-cards/ 3/16
