TCEQ Licensed Irrigator Terms questions with answers 2024

TCEQ Licensed Irrigator TermsABSORPTION RATE - correct answer The rate at which a soil will accept water. Rate decreases as soil "capacity" is reached. ACTUAL HEAD PRESSURE - correct answer Operating pressure at the base of the sprinkler head. Calculated by subtracting all pressure losses from the static pressure. AIR GAP - correct answer A complete physical separation between the free flowing discharge end of a potable water supply pipeline and an open or non-pressure receiving vessel. ANTI-SIPHON DEVICE - correct answer Any device that introduces air into the system to prevent "back siphonage". APPLICATION RATE - correct answer Rate at which water is applied by the irrigation system. It is usually measured in inches per hour or gallons per hour. ARC - correct answer The surface area of the landscape that the head will provide water. Usually described in degrees or part of a circle, such as, a 90-degree arc would be a quarter circle sprinkler. AS-BUILT PLAN - correct answer A corrected or redrawn plan (to scale) showing the actual location of all major components of the system and other information the property owner might require. ATMOSPHERIC VACUUM BREAKER (AVB) - correct answer A backflow prevention device that introduces air into the piping system to prevent back siphonage. No backpressure can exist. This device cannot be under constant pressure (constant pressure is defined as "more than 12 hours".) It must be installed at least 6" higher than all down stream piping and the highest downstream outlet. No shut off valves may exist down stream of the AVB. AUTOMATIC CONTROL VALVE - correct answer An electric or hydraulic remote control valve in a sprinkler system that is activated by an automatic controller. Also called a section valve, zone valve, or remote control valve.