Texas Landscape Irrigation Exam (Questions and Answers) 2024

Texas Landscape Irrigation Exam (Questions and Answers) 2024 Pressure compensating devices help save water because they? - CORRECT ANSWER-Help eliminate misting or fogging at the sprinkler heads Landscape Irrigation - CORRECT ANSWER-The art and management of applying water to landscape in a manner to encourage growth of plant material and support water conservation Irrigation sensors - CORRECT ANSWER-(Measure rain, wind, soil moisture, and freeze) that save water and eliminate liability issues concerning ice related accidents during freeing weather Pressure Regulation Device - CORRECT ANSWER-Devices which eliminate misting or fogging at the sprinkler heads, thus achieving better uniformity and saving water Hydrozoning - CORRECT ANSWER-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 - CORRECT ANSWER-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 - CORRECT ANSWER-The speed at which water can penetrate or infiltrate the soil Actual Head Pressure - CORRECT ANSWER-The operating pressure measured at the base of a sprinkler head. Actual head pressure formula - CORRECT ANSWER-(Static pressure) - (Total pressure lost) = Actual head pressure air gap - CORRECT ANSWER-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? - CORRECT ANSWER-Kitchen sink Application Rate (Precipitation rate) - CORRECT ANSWER-Rate at which water is applied by sprinkler heads in a certain pattern. For irrigation contractors, water conservation starts with? - CORRECT ANSWER-A great design Three methods to evaluate application rate - CORRECT ANSWER-Densogram, Precipitation rate formulas, Water audit The proper watering time is early morning because? - CORRECT ANSWER-Sprinkler patterns are generally less distorted from the wind arc - CORRECT ANSWER-Degrees of coverage of a sprinkler from one side of a pattern to the othe