Texas Irrigation Technician Exam 2024 Questions and
Answers (Verified Answers)
What term is Application rate synonymous with? - ANSWER-Precipitation Rate
Arc - ANSWER-The surface area of the landscape that the head will provide water
(half, full, 90, 25)
as-built plans - ANSWER-A corrected or redrawn plan, showing location of all
major components of a system
A.W.W.A. - ANSWER-American Water Works Association
Backflow - ANSWER-The UNDESIREABLE reverse flow of water in a piping system
Back pressure - ANSWER-Condition that can happen due to elevation pumps,
pressure
Back siphonage - ANSWER-backflow due to a sub atomic pressure (break in city
main, fire hydrant being used
Backflow prevention - ANSWER-A mechanical means to prevent a backflow
, A backflow device - ANSWER-Any approved device that prevents an undesireable
reversal of flow of water
1 column foot of water - ANSWER-.443 psi (pretty close to 5 ft.
1 psi - ANSWER-requires a column of water 2.31 feet tall (or 3 ft.) (or 27.75 in.)
max flowrate for 1/2 in pipe (to stay below 5 fps) - ANSWER-5 gpm
max flowrate for 3/4 in pipe (to stay below 5 fps) - ANSWER-10 gpm
max flowrate for 1 in pipe (to stay below 5 fps) - ANSWER-15 gpm
max flowrate 1 1/4 in. pipe (to stay below 5 fps) - ANSWER-25 gpm
max flowrate for 1 1/2 in pipe (to stay below 5 fps) - ANSWER-35 gpm
Key requirement for RPZ backflow - ANSWER-minimum of 12" above grade
Answers (Verified Answers)
What term is Application rate synonymous with? - ANSWER-Precipitation Rate
Arc - ANSWER-The surface area of the landscape that the head will provide water
(half, full, 90, 25)
as-built plans - ANSWER-A corrected or redrawn plan, showing location of all
major components of a system
A.W.W.A. - ANSWER-American Water Works Association
Backflow - ANSWER-The UNDESIREABLE reverse flow of water in a piping system
Back pressure - ANSWER-Condition that can happen due to elevation pumps,
pressure
Back siphonage - ANSWER-backflow due to a sub atomic pressure (break in city
main, fire hydrant being used
Backflow prevention - ANSWER-A mechanical means to prevent a backflow
, A backflow device - ANSWER-Any approved device that prevents an undesireable
reversal of flow of water
1 column foot of water - ANSWER-.443 psi (pretty close to 5 ft.
1 psi - ANSWER-requires a column of water 2.31 feet tall (or 3 ft.) (or 27.75 in.)
max flowrate for 1/2 in pipe (to stay below 5 fps) - ANSWER-5 gpm
max flowrate for 3/4 in pipe (to stay below 5 fps) - ANSWER-10 gpm
max flowrate for 1 in pipe (to stay below 5 fps) - ANSWER-15 gpm
max flowrate 1 1/4 in. pipe (to stay below 5 fps) - ANSWER-25 gpm
max flowrate for 1 1/2 in pipe (to stay below 5 fps) - ANSWER-35 gpm
Key requirement for RPZ backflow - ANSWER-minimum of 12" above grade
