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A study guide or reference material for the texas irrigation technician exam. It covers a wide range of topics related to irrigation systems, including the composition and purpose of the irrigator council, consequences of installing a system without a license, key irrigation terms and concepts (such as absorption rate, actual head pressure, application rate, and backflow prevention), and flow rate calculations for different pipe sizes. The level of detail and technical terminology suggests this document would be most useful for university-level students or professionals in the irrigation or water management field, particularly those preparing for the texas irrigation technician exam. The document could serve as a valuable resource for study notes, lecture notes, summaries, assignments, or exam preparation.
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Texas Irrigation Technician Exam
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 Absorption Rate: 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