Texas Irrigator License Exam Latest 2024/2025 Questions And Correct Answers(100% Correct Verified Answers)already Graded A+

TEXAS IRRIGATOR LICENSE EXAM LATEST 2024/2025 QUESTIONS AND CORRECT ANSWERS(100% CORRECT VERIFIED ANSWERS)ALREADY GRADED A+ Air Gap - ANSWER-Gap through air between lowest point of water supply & flood level rim. i.e. Sink water level & faucet Anti-Siphon Device - ANSWER-Any device that introduces air into the system to prevent back siphonage. AVB (Atmospheric Vacuum Breaker) or PVB (Pressure-type Vacuum Breaker) Atmospheric Vacuum Breaker (AVB) - ANSWER-Blackflow device that allows air with use of a float. Shape: Like an L Back Pressure: No Constant Pressure: No more than 12 hrs in 24-hr period.Install Height: Vertically with min of 6" higher than all downstream piping and highest downstream head. Install: No shut-off valves downstream. Must be on discharge side of each control valve. Backflow - ANSWER-Unwanted reversal of water flow Backpressure - ANSWER-Where pressure in the discharge (outlet or downstream) side is greater than pressure in the supply (inlet or upstream) side. i.e. Gravity from elevation, pump, steam/air pressure. Backsiphonage - ANSWER-Backflow from negative pressure in the system. i.e Break in city main line or fire department using excessive amount of water. Types of Backflow Preventors - ANSWER-Air Gap Atmospheric Vacuum Breaker (AVB) Pressure Vacuum Breaker (PVB) Double Check Valve Assembly