TCEQ IRRIGATION LICENSE
STUDY GUIDE questions fully
solved & updated 2025
ents for fertilizer injection system
Reduced Pressure Principle Assembly (RPPA) (RPZ)
is required when fertilizer injection are being used.
Causes backsiphonage?
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
Debris-can enter the valve. (Can use Y strainer to
provide a solution.)
Definition of high-hazard system?
Non-potable water, chemicals, fertilizers
Definition of cross-connection?
Any actual or potential connection between a
potable water supply and any source of
contamination or pollution.
Degree of hazard
A measure of the degree of risk or harm to the
public's health.
STUDY GUIDE questions fully
solved & updated 2025
ents for fertilizer injection system
Reduced Pressure Principle Assembly (RPPA) (RPZ)
is required when fertilizer injection are being used.
Causes backsiphonage?
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
Debris-can enter the valve. (Can use Y strainer to
provide a solution.)
Definition of high-hazard system?
Non-potable water, chemicals, fertilizers
Definition of cross-connection?
Any actual or potential connection between a
potable water supply and any source of
contamination or pollution.
Degree of hazard
A measure of the degree of risk or harm to the
public's health.
