Term
Which is a type of joint for ductile iron piping?
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Push-on joint Ball and socket joint
Flexible ball joint Flanged joint
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, 2 of 172
Term
How much a pipeline be prepared before a sample is taken for
bacteriological testing?
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The pipeline must be flushed
of chlorinated water and The pipeline must be sealed and
refilled with water from the pressurized.
system.
The pipeline must be drained The pipeline must be flushed with
completely and left dry. distilled water.
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3 of 172
Term
What is the term for a cross-connection for which something must
be done to complete the connection?
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Elevation Comprehensive map
, Potential cross-connection Air gap
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4 of 172
Definition
High-pressure boilers, service sinks, cal storage tank, and hot-water
recirculation system
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If a water sample is not analyzed
immediately for chlorine residual, it Shutoffs should be scheduled
is acceptable if it is analyzed within
If damage to a customer's property
Causes of backflow
occurs,
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5 of 172
Term
How much leakage is allowed for a new pipeline test?
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, The amount is determined by local
No leakage is allowed.
regulations.
Leakage is permitted up to 10% of The amount is given in AWWA
flow volume. standards and manuals.
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6 of 172
Term
A corporation stop is used for a
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Loop main line Distributor
Customer line Service line
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7 of 172
Term
What are the advantages of a venturi meter?
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