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Examen
BACKFLOW TEST QUESTIONS & SOLUTIONS(RATED A+)
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---5febrero 20262025/2026A+
- If an RPBA contiunually drips or drains under full flow conditions - ANSWER The #2 check valve is fouled 
 
When a residential property has a backflow-prevention device/assembly installed on the service line the best means to control thermal expansion is with a - ANSWER Thermal expansion tank 
 
According to the Nebraska regulations what is the minimum acceptable air gap for a 2"
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$13.49 Más información
shantelleG
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Examen
BACKFLOW PREVENTION AND CROSS CONNECTION CONTROL CORRECT 100%
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---5febrero 20262025/2026A+
- Relief valve discharges continuously. Problem May be caused by what 5 faults? - ANSWER1. Faulty No. 1 check valve (F1CV) 
2. Faulty No. 2 check valve with backpressure (F2CVwB) 
3. Faulty relief valve (FRV) 
4. Relief valve plugged sensing |ine(s) (RVPSL) 
5. Relief Valve leaking diaphragm (RVLD)
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shantelleG
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Examen
BACKFLOW MULTIPLE CHOICE TEST #1 CORRECT 100%
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---3febrero 20262025/2026A+
- Which type of backflow preventer is most reliable - ANSWERAir gap 
 
What is the maximum pressure drop a little through a double check now assembly - ANSWER10 psi
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$11.99 Más información
shantelleG
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Examen
BACKFLOW FINAL QUESTIONS & SOLUTIONS(RATED A+)
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---19febrero 20262025/2026A+
- All the following are required parts of an atmospheric vacuum breaker (asse1001) except a 
 
Air inlet float valve 
 
The body 
 
Air canopy 
 
Shutoff valve - ANSWERShutoff valve 
 
A single check valve for a backflow prevention is acceptable 
 
For low hazard 
 
For non-hazard residential 
applications 
 
On boilers only 
 
Never - ANSWERNever 
 
The following absolute pressure could cause backsiphonage to occur in a hydraulic system (distribution system) at sea level
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shantelleG
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Examen
BACKFLOW EXAM QUESTIONS & ANSWERS(GRADED A+)
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---7febrero 20262025/2026A+
- Double Check Valve Assembly - ANSWERA testable mechanical device consisting of two independently operating, spring-loaded check valves, four test cocks, and two full port shut off valves 
 
the purpose of an ASSE 1018 trap primer is to - ANSWERmaintain a trap seal 
 
a laboratory faucet vacuum breaker must contain - ANSWERtwo independently acting check valves
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shantelleG
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Examen
BACKFLOW TEST PREP 1 QUESTIONS & ANSWERS|| 2026 LATEST UPDATE!!!
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---7febrero 20262025/2026A+
- Design, material, and operational standards for DCVA & RPBA are found in the - ANSWERAWWA standards 
 
Approved backflow prevention assemblies must be designed to be - ANSWERdisassembled and repaired in line for all sizes
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shantelleG
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Examen
BACKFLOW TROUBLESHOOTING QUIZZES & ANSWERS(RATED A+)
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---3febrero 20262025/2026A+
- While field testing the check valve of a pressure vacuum breaker, water continues to flow from the # 2 test cock . How do you proceed ? - ANSWEROpen the bleed off valve until the flow slows to a slight drip. 
 
Well field testing the first check valve of a double check valve assembly, water continues to flow from the site tube. How do you proceed? - ANSWERObserve
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shantelleG
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Examen
Backflow Prevention Practice Exam 2026 NEWEST QUESTIONS AND CORRECT ANSWERS | A+ GRADE VERIFIED ANSWERS
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---31diciembre 20252025/2026A+
- Backflow Prevention Practice Exam 2026 
NEWEST QUESTIONS AND CORRECT 
ANSWERS | A+ GRADE VERIFIED ANSWERS
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WORLDNURSE