Texas Landscape Irrigation Exam Questions and Answers (Verified Answers) | 2023 Update

Texas Landscape Irrigation Exam Questions and Answers (Verified Answers) | 2023 Update 1. Slow application rates expressed in GPH are usually referring to what type of irrigation? ~ Answer: Drip irrigation 2. What small mechanical device is used to limit water flow to a very low drip or trickle? ~ Answer: An emitter 3. A measuring device that has measurements as a given number of feet per inch is? ~ Answer: Engineer scale 4. Wastewater, such as from your bath, sink, or washing machines, is called? ~ Answer: Greywater 5. In order to run multiple sprinkler heads, with varying arcs, on the same zone, the sprinkler heads must have? ~ Answer: Matched precipitation rates 6. A method of maintaining a constant discharge pressure regardless of inlet pressure is called? ~ Answer: Pressure compensating 7. A motorized device which creates, or boosts pressure is? ~ Answer: A pump 8. Domestic or municipal wastewater which has been treated to a quality suitable for beneficial use, such as landscape irrigation is called? ~ Answer: Reclaimed water or recycled water 9. A drawing of an installed irrigation system showing major components is? ~ Answer: Called a record drawing 10. The process of calculating and managing the time and amount of water to apply to the landscape is referred to as? ~ Answer: Scheduling 11. A swing joint is used to? ~ Answer: To prevent damage to the head 12. Xeriscaping is? ~ Answer: Promotes water conservation and utilizes mulching & efficient irrigation 13. Heads that have valves incorporated within them are referred to as? ~ Answer: Valve-in-heads 14. The slow application of water directly to the root zone using very low pressure is considered? ~ Answer: Drip irrigation 15. Which device is used to keep debris from being sucked into the line 16. ? ~ Answer: Air relief valve 17. A valve that allows water to travel in only one direction is called? ~ Answer: Check valve