TCEQ IRRIGATION LICENSE EXAM
QUESTIONS WITH COMPLETE
ANSWERS
BPA requirements for fertilizer injection system -
correct answer ✅Reduced Pressure Principle Assembly (RPPA) (RPZ) is
required when fertilizer injection are being used.
Causes backsiphonage? -
correct 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 -
correct answer ✅Debris-can enter the valve. (Can use Y strainer to
provide a solution.)
Definition of high-hazard system? -
correct answer ✅Non-potable water, chemicals, fertilizers
Definition of cross-connection? -
correct answer ✅Any actual or potential connection between a potable
water supply and any source of contamination or pollution.
Degree of hazard -
correct answer ✅A measure of the degree of risk or harm to the
public's health.
, TCEQ IRRIGATION LICENSE EXAM
QUESTIONS WITH COMPLETE
ANSWERS
General installation requirements of BPA -
correct answer ✅Device must check/pass Back-siphonage, Back-
pressure, constant pressure, non-health hazard, health hazard.
Installation requirements of AVB -
correct answer ✅-Installed 6" above the highest head or outlet in the
system.
-No Valves
-Downstream.
-Installed vertically.
Installation and inspection requirements for public water system to BPA
-
correct answer ✅
installation requirements of PVB -
correct answer ✅12" above the highest sprinkler head
Vertically installed
Installation requirments of RPZ -
correct answer ✅12" above ground
QUESTIONS WITH COMPLETE
ANSWERS
BPA requirements for fertilizer injection system -
correct answer ✅Reduced Pressure Principle Assembly (RPPA) (RPZ) is
required when fertilizer injection are being used.
Causes backsiphonage? -
correct 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 -
correct answer ✅Debris-can enter the valve. (Can use Y strainer to
provide a solution.)
Definition of high-hazard system? -
correct answer ✅Non-potable water, chemicals, fertilizers
Definition of cross-connection? -
correct answer ✅Any actual or potential connection between a potable
water supply and any source of contamination or pollution.
Degree of hazard -
correct answer ✅A measure of the degree of risk or harm to the
public's health.
, TCEQ IRRIGATION LICENSE EXAM
QUESTIONS WITH COMPLETE
ANSWERS
General installation requirements of BPA -
correct answer ✅Device must check/pass Back-siphonage, Back-
pressure, constant pressure, non-health hazard, health hazard.
Installation requirements of AVB -
correct answer ✅-Installed 6" above the highest head or outlet in the
system.
-No Valves
-Downstream.
-Installed vertically.
Installation and inspection requirements for public water system to BPA
-
correct answer ✅
installation requirements of PVB -
correct answer ✅12" above the highest sprinkler head
Vertically installed
Installation requirments of RPZ -
correct answer ✅12" above ground
