Texas Irrigation Technician Exam Review Questions and Answers, Exams of Water and Wastewater Engineering

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Texas Irrigation Technician

Exam Review Questions and Answers

100%Pass

David Mungai [Date] [Course title]

Texas Irrigation Technician Exam

Review Questions and Answers

100%Pass

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

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>> 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. booster pump - Answer>> increases operating pressure 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 Consulting - Answer>> Can't do it ass a tech Control Wires - Answer>> The wires that transmit the signals to open and close from the automatic controller to the automatic electric valves. cross-connection - Answer>> Physical link between safe water and dirty water cycle - Answer>> Best way to irrigate = cycle and soak Design Pressure - Answer>> Pressure required for an emission device to work properly Direct Burial Wire - Answer>> (listed UL UF) Any wire approved for direct underground burial without conduit. Distribution Uniformity - Answer>> How a system uniformly applies water to a zone Drain Valve - Answer>> An automatic or manual valve used to drain water from a line after the system has operated. Dry Line Shock (Dry Pipe Shock) - Answer>> The shock that occurs when an opened valve allows water to rush through empty

gauge wire - Answer>> thickness of wire Gate Valve - Answer>> A shutoff valve closed by lowering a wedge-shaped gate across the passage. Insert Fittings - Answer>> A fitting that fits into pipe or tubing. Usually used on polyethylene pipe and tubing. IPS - Answer>> Iron Pipe Size Irrigation Inspector - Answer>> Someone who inspects a system Irrigation Technician - Answer>> A person working under an irrigator Irrigation Zone - Answer>> a subdivision of an irrigation system with a matched precipitation rate based on plant material type, microclimate factors, topographical features and soil conditions or for hydrological control.