Texas Irrigation Technician Exam Questions and Answers 100% Correct
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Course
Texas Irrigation Technician
Institution
Texas Irrigation Technician
Who composes the Irrigator Council? - ANSWER-6 Irrigators, 3 Public members, all from the same state
What is the purpose of the Irrigator Council? - ANSWER-Provide advice on matters concerning irrigation
Possible consequence of installing a system w/o a license? - ANSWER-Being charged with a ...
Texas Irrigation Technician Exam Questions and
Answers 100% Correct
Who composes the Irrigator Council? - ANSWER-6 Irrigators, 3 Public members, all
from the same state
What is the purpose of the Irrigator Council? - ANSWER-Provide advice on matters
concerning irrigation
Possible consequence of installing a system w/o a license? - ANSWER-Being charged
with a Class C misdemeanor
Absorption Rate - ANSWER-How fast a rate at which the soil will accept water
Actual Head Pressure - ANSWER-The operating pressure measured at the base of a
sprinkler head
How to CALCULATE Actual head pressure? - ANSWER-subtract all pressure losses
from static pressure
air gap - ANSWER-A complete physical separation between the free flowing discharge
end of a potable water supply pipeline and an open or non-pressure recieveing vessel
Application Rate - ANSWER-Rate that a head applies water to the area it's spraying
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
Key requirement for Double Check backflow (DCVA) - ANSWER-If installed below
grade, Test cocks must be plugged with non-ferrous (non-magnetic) material
Key requirements for PVB and SVB - ANSWER-Must be 12" above highest head, valve,
pipe, fitting, or fixture
Key requirements for Air Gap - ANSWER-The recieving pipe must be 1" wider or 2
times bigger than the discharge pipe
zone flow - ANSWER-how many gallons go through a zone
Backflow Prevention Assembly - ANSWER-Any assembly used to prevent backflow into
a potable water system. The type of assembly used is based on the existing or potential
degree of health hazard and backflow condition.
Bushing - ANSWER-The method of adapting a fitting to either a larger or smaller size.
Check Valve - ANSWER-A valve that allows flow in one direction but prevents flow in
the opposite direction.
Completion of irrigation system - ANSWER-All standards are met and the irrigator is
satisfied
Class Pipe - ANSWER-Class = How many pounds of pressure it can withstand before
the pipe bursts
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