Backflow Prevention Assembly Tester Exam V1 (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A

Backflow Prevention Assembly Tester Exam V1 (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: A hose-bibb connection is required to have a permanently installed ____? A. Atmospheric vacuum breaker B. Backflow preventer C. Pressure vacuum breaker D. Shut-off valve E. Spill-resistant vacuum breaker Answer: Atmospheric vacuum breaker Q: Atmospheric vacuum breakers must not be subject to continuous water pressure for more than ___ hr. A. 3 B. 6 C. 12 D. 18 E. 24 Answer: 12 Q: A submerged atmospheric vacuum breaker may be considered a(n) _____? A. Backflow preventer B. Cross-connection C. Expensive elbow D. Typical installation E. Useful training photo Answer: . Cross-connection Q: Flow from the outlet of an atmospheric vacuum breaker must not reach a _____? A. Closed tank B. Section of straight tubing C. Submerged inlet D. Toxic substance E. Valve Answer: Valve Q: An atmospheric vacuum breaker is not required to have a(n) _____? A. Annual field test B. Installation elevation C. Installation inspection D. Label E. Usage limitaion Answer: Annual field test Q: The air-inlet valve of an atmospheric vacuum breaker is help closed by____? A. Atmospheric pressure B. Cotter pins C. Gravity D. Spring tension E. Water pressure Answer: Water pressure Q: Pressure vacuum breaker shut-off valves and test cocks will avoid freeze damage if winterized by ____? A. Leaving all valves fully open B. Rotating ball valve handles to 45 degree angle C. Purging the body with compressed air D. Removing the assembly's internal components E. Removing shut-off valve and test cock operators Answer: Rotating ball valve handles to a 45 degree angle Q: A supply pressure loss with a functional check valve will cause a pressure vacuum breaker to ____? A. Admit air into the downstream piping B. Be subject to backpressure C. Discharge water D. Fail E. Retain water pressure downstream of the check valve Answer: Retain water pressure downstream of the check valve Q: If not marked, a pressure vacuum breaker's critical level is ____? A. At the bottom of the valve body B. Measured from the check valve inlet C. Measured from the body outlet D. Not important E. The air-inlet valve opening Answer: At the bottom of the valve body Q: A pressure vacuum breaker may have ____ on the assembly's discharge piping. A. Auxiliary water supply looped irrigation B. A boiler C. A booster pump D. Elevated piping E. Irrigation sprinkler heads