TCEQ IRRIGATION LICENSE STUDY GUIDE WITH COMPLETE SOLUTIONS
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Course
TCEQ IRRIGATION LICENSE
Institution
TCEQ IRRIGATION LICENSE
TCEQ IRRIGATION LICENSE STUDY GUIDE WITH COMPLETE SOLUTIONSTCEQ IRRIGATION LICENSE STUDY GUIDE WITH COMPLETE SOLUTIONS
BPA requirements for fertilizer injection system - ANSWER-Reduced Pressure Principle Assembly (RPPA) (RPZ) is required when fertilizer injection are being used.
Causes backsiph...
BPA requirements for fertilizer injection system - ANSWER-Reduced Pressure
Principle Assembly (RPPA) (RPZ) is required when fertilizer injection are
being used.
Causes backsiphonage? - ANSWER-Caused by a negative or Sub-atmospheric
pressure. Example-City departments are using fire hydrant or there's a city
main line break, or someone sucking liquid from a glass using a straw.
Causes of leaking check valve - ANSWER-Debris-can enter the valve. (Can
use Y strainer to provide a solution.)
Definition of high-hazard system? - ANSWER-Non-potable water, chemicals,
fertilizers
, Installation and inspection requirements for public water system to BPA -
ANSWER-
What are the two types of back-flow? - ANSWER-Back pressure and Back
siphonage
characteristics of looped irrigation main lines - ANSWER-1/2 flow gym by 1/2
pipe > low pressure, loss downsize pipe, both at the same time.
characteristics of flow vs pressure for given pipe size - ANSWER-as flow
increases pressure decreases velocity increases
installation requirements of PVB - ANSWER-12" above the highest sprinkler
head
Vertically installed
Definition of cross-connection? - ANSWER-Any actual or potential connection
between a potable water supply and any source of contamination or
pollution.
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