Definition Term
Evapotranspiration What is a process by which
water vapor passes into the
atmosphere from living plants?
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True False
2 of 402
Definition Term
Chlorinate with a dose of What is the correct way to
25mg/L, flush out highly disinfect a newly installed water
chlorinated water from main, main using the tablet method?
,and perform bacteriological
testing.
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True False
3 of 402
Definition Term
Atmospheric vacuum breakers What is the purpose of a job
(AVBs), Pressure vacuum interview?
breakers (PVBs), and Reduced
pressure zone assemblies
(RPZs)
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True False
Correct definition
What are the 3 types of backflow preventers?
4 of 402
Definition Term
Double check valve What is an approved backflow
prevention device for a service
, connection that does not pose a
health hazard?
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True False
5 of 402
Definition Term
Test for coliform bacteria What is used to check the
(bacteriological result). effectiveness of disinfection?
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True False
6 of 402
Term Definition
What is the best way to prevent Air gap
back flow?
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True False
7 of 402
Term Definition
What type of valve is a Feed rate is too high
corporation stop?
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True False
Correct definition
Ball valve or plug valve
8 of 402
Definition Term
Leaching of chemicals from tank Which items may cause
linings or coatings. chemical water quality
problems?