Texas Landscape Irrigation Exam with 100% Correct Answers 2024

Texas Landscape Irrigation Exam with 100% Correct Answers 2024 Pressure compensating devices help save water because they? - -Help eliminate misting or fogging at the sprinkler heads Landscape Irrigation - -The art and management of applying water to landscape in a manner to encourage growth of plant material and support water conservation Irrigation sensors - -(Measure rain, wind, soil moisture, and freeze) that save water and eliminate liability issues concerning ice related accidents during freeing weather Pressure Regulation Device - -Devices which eliminate misting or fogging at the sprinkler heads, thus achieving better uniformity and saving water Hydrozoning - -The practice of zoning an irrigation system based on similar plant material with similar watering reguirements due to environmental and or geographic influences including, but not limited to, soil type, slope, site orientation, and solar radiation Licensed landscape irrigators - -Responsibility to educate, promote, support and practice water conservation in the landscape irrigation industry in order to preserve one of out most precious resources on earth Absorption Rate - -The speed at which water can penetrate or infiltrate the soil Actual Head Pressure - -The operating pressure measured at the base of a sprinkler head. Actual head pressure formula - -(Static pressure) - (Total pressure lost) = Actual head pressure air gap - -an approved Air gap is the unobstructed vertical distance through free atmosphere between the lowest point of a water supply outlet and the flood level rim of the fixture or assembly into which the outlet discharges. Physical seperation must be at least twice the diameter of the water supply outlet but never less than 1" Most common air gap? - -Kitchen sink For irrigation contractors, water conservation starts with? - -A great design Application Rate (Precipitation rate) - -Rate at which water is applied by sprinkler heads in a certain pattern. Three methods to evaluate application rate - -Densogram, Precipitation rate formulas, Water audit The proper watering time is early morning because? - -Sprinkler patterns are generally less distorted from the wind arc - -Degrees of coverage of a sprinkler from one side of a pattern to the other The art and management of applying water to the landscape to encourage the growth of plant material and support water conservation is? - -Landscape Irrigation Atmospheric Vacuum Breaker (AVB) - -Backflow prevention device that allows air into the piping system, with the use of a float that moves up and down, to prevent backsiphonage. Cannot be under constant pressure for more than 12 hours in one 24 hour window. A minimum of 6" higher than all down stream piping. A separate AVB must be installed on the discharg