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Texas Irrigation Technician Exam 2023 /Questions With Complete Solutions
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Texas Irrigation Technician Exam 2023 /QuestionsWith Complete Solutions
Quiz : Who composes the Irrigator Council? - √Answer :6 Irrigators, 3 Public
members, all from the same state
Quiz :What is the purpose of the Irrigator Council? - √Answer :Provide advice
on matters concerning irrigation
Quiz :Possible consequence of installing a system w/o a license? -
√Answer :Being charged with a Class C misdemeanor
Quiz :Absorption Rate - √Answer :How fast a rate at which the soil will accept
water
Quiz :Actual Head Pressure - √Answer :The operating pressure measured at
the base of a sprinkler head
Quiz :How to CALCULATE Actual head pressure? - √Answer :subtract all
pressure losses from static pressure
Quiz :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
Quiz :Application Rate - √Answer :Rate that a head applies water to the area
it's spraying
Quiz :What term is Application rate synonymous with? -
√Answer :Precipitation Rate
Quiz :Arc - √Answer :The surface area of the landscape that the head will
provide water (half, full, 90, 25)
Quiz :as-built plans - √Answer :A corrected or redrawn plan, showing location
of all major components of a system
Quiz :A.W.W.A. - √Answer :American Water Works Association
, Quiz :Backflow - √Answer :The UNDESIREABLE reverse flow of water in a
piping system
Quiz :Back pressure - √Answer :Condition that can happen due to elevation
pumps, pressure
Quiz :Back siphonage - √Answer :backflow due to a sub atomic pressure (break
in city main, fire hydrant being used
Quiz :Backflow prevention - √Answer :A mechanical means to prevent a
backflow
Quiz :A backflow device - √Answer :Any approved device that prevents an
undesireable reversal of flow of water
Quiz :1 column foot of water - √Answer :.443 psi (pretty close to 5 ft.
Quiz :1 psi - √Answer :requires a column of water 2.31 feet tall (or 3 ft.) (or
27.75 in.)
Quiz :max flowrate for 1/2 in pipe (to stay below 5 fps) - √Answer :5 gpm
Quiz :max flowrate for 3/4 in pipe (to stay below 5 fps) - √Answer :10 gpm
Quiz :max flowrate for 1 in pipe (to stay below 5 fps) - √Answer :15 gpm
Quiz :max flowrate 1 1/4 in. pipe (to stay below 5 fps) - √Answer :25 gpm
Quiz :max flowrate for 1 1/2 in pipe (to stay below 5 fps) - √Answer :35 gpm
Quiz :Key requirement for RPZ backflow - √Answer :minimum of 12" above
grade
Quiz :Key requirement for Double Check backflow (DCVA) - √Answer :Test
cocks must be plugged with non-ferrous (non-magnetic) material
Quiz :Key requirements for PVB and SVB - √Answer :Must be 12" above
highest head, valve, pipe, fitting, or fixture
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