BACKFLOW PREVENTION ASSEMBLY TESTER EXAM NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A

1 | P a g e BACKFLOW PREVENTION ASSEMBLY TESTER EXAM NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A A perfect vacuum at sea level will raise the water level in the pipe maximum of (A) 14.7 feet (B) 2.31 feet (C) 33.9 feet (D) 23.1 feel - ANSWER- 33.9 feet An undersized water supply line carrying water at a high velocity (A) Creates high pressure (B) Creates no problem at all (C) May cause backsiphonage due to the aspirator effect 2 | P a g e (D) May cause backpressure - ANSWER- May cause backsiphonage due to the aspirator effect A PVB may be used for backflow protection for the following conditions (A) Backpressure non-health hazard (B) Backpressure health hazard (C) Backsiphonage health hazard (D) All the above - ANSWER- All the above The safe Drinking water act of 1974 as amended in 1986 authorizes who to set national health based standards for drinking water (A) TCEQ (B) US EPA (C) Water Purveyor (D) Congress - ANSWER- US EPA Ater closing the #2 shit off while testing a RP the relief valve dumps What is the most probable cause 3 | P a g e (A) #1 check is fouled (B) #2 check is fouled (C) Reilef valve is fouled open (D) #2 check is fouled - ANSWER- #1 check is fouled Containment Protection (A) Protects all consumers on a public water system (B) Offers no protection to individuals within a facility (C) Prevents backsiphonage only (D) All of the above - ANSWER- Protects all consumers on a public water system Hose bibb vacuum breakers should be installed (A) On hose bibb as requireed by code (B) Below grade (C) Where backpressure may be present (D) On outside hose bibbs only - ANSWER- On hose bibb as requireed by code 4 | P a g e To test the #2 check of a RP for tightness aginst backpressure which test kit control vaves must be open (A) High and Low (B) High and Bypass (C) Low and Bypass (D) High and Low and Bypass - ANSWER- High and Bypass During the fleld test of the check valve of a PVB the high bleed needlie valve is left open This will (A) Reduce the pressure bet ween the check valve and the #1 shut off valve (B) Provide the necessary resultd for test (C) Have no effect because the needle valve is used to bleed air only (D) Increase the differential pressure - ANSWER- Reduce the pressure bet ween the check valve and the #1 shut off valve The spring in the relief valve of a RP is designed to (A) Close the relief valve