LEVEL 1 WATER DISTRIBUTION PRACTICE TEST
EXAM WITH BEST SOLUTIONS
Water pipelines are generally designed to carry water
at a velocity below ? - answer-2.5b FPS. Feet per
second
Energy use in water systems is defined best by ? -
answer-Energy use varies among systems and an
energy inventory study would need to be conducted
to determine relationships
The minimum and maximum chloride residual in a
water distribution system is ? - answer-0.2 mg/l and
4mg/L of free chlorine
Nitrate may not exceed what concentration when
tested yearly for a groundwater treatment plant ? -
answer-10 mg/L
, The minimum number of total coliform samples that
must be collected per month is based on Wich of the
following ? - answer-The population served by the
system
When a distribution bacteriological sample is positive
for a total coliform the procedure is ? - answer-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? - answer-6 hours
What is hydraulic grade line ? - answer-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? - answer-Every year
EXAM WITH BEST SOLUTIONS
Water pipelines are generally designed to carry water
at a velocity below ? - answer-2.5b FPS. Feet per
second
Energy use in water systems is defined best by ? -
answer-Energy use varies among systems and an
energy inventory study would need to be conducted
to determine relationships
The minimum and maximum chloride residual in a
water distribution system is ? - answer-0.2 mg/l and
4mg/L of free chlorine
Nitrate may not exceed what concentration when
tested yearly for a groundwater treatment plant ? -
answer-10 mg/L
, The minimum number of total coliform samples that
must be collected per month is based on Wich of the
following ? - answer-The population served by the
system
When a distribution bacteriological sample is positive
for a total coliform the procedure is ? - answer-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? - answer-6 hours
What is hydraulic grade line ? - answer-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? - answer-Every year
