Arizona Municipal Backflow Repair Technician
Certification Exam Practice Questions and
Answers [Verified Answers] Plus Rationales Latest
2026/27
1. What is the primary duty of a Municipal Backflow Repair
Technician?
A. Design highways only
B. Inspect, repair, maintain, and restore backflow
prevention assemblies to proper operation
C. Sell water bottles only
D. Manage court files only
Rationale: Backflow repair technicians help protect potable
water systems from contamination.
2. What is backflow?
A. Water billing only
B. Unwanted reversal of water flow that may
contaminate the potable supply
C. New pipeline only
D. Meter reading only
,Rationale: Backflow can introduce pollutants or contaminants
into drinking water lines.
3. Why are backflow prevention assemblies installed?
A. Decoration only
B. To prevent contaminated water from flowing
backward into clean water systems
C. Increase pressure only
D. Lower pipe size only
Rationale: These devices protect public health and water
quality.
4. What are the two common causes of backflow?
A. Sunlight and wind only
B. Backpressure and backsiphonage
C. Rain and snow only
D. Noise and vibration only
Rationale: Backflow occurs when pressure relationships
reverse normal flow direction.
5. What is backpressure?
A. No water pressure only
B. Downstream pressure greater than supply pressure
causing reverse flow
, C. Water hammer only
D. Pipe freezing only
Rationale: Pumps, boilers, or elevation can create
backpressure.
6. What is backsiphonage?
A. Pump overload only
B. Reverse flow caused by negative or reduced supply
pressure
C. Pipe painting only
D. Meter failure only
Rationale: Main breaks or heavy demand can create siphon
conditions.
7. What does RP commonly stand for?
A. Repair Pipe
B. Reduced Pressure Principle Assembly
C. Road Permit
D. Return Pump
Rationale: RP assemblies are common high-hazard backflow
devices.
8. What does DCVA commonly stand for?
A. Drain Control Valve Assembly
B. Double Check Valve Assembly
Certification Exam Practice Questions and
Answers [Verified Answers] Plus Rationales Latest
2026/27
1. What is the primary duty of a Municipal Backflow Repair
Technician?
A. Design highways only
B. Inspect, repair, maintain, and restore backflow
prevention assemblies to proper operation
C. Sell water bottles only
D. Manage court files only
Rationale: Backflow repair technicians help protect potable
water systems from contamination.
2. What is backflow?
A. Water billing only
B. Unwanted reversal of water flow that may
contaminate the potable supply
C. New pipeline only
D. Meter reading only
,Rationale: Backflow can introduce pollutants or contaminants
into drinking water lines.
3. Why are backflow prevention assemblies installed?
A. Decoration only
B. To prevent contaminated water from flowing
backward into clean water systems
C. Increase pressure only
D. Lower pipe size only
Rationale: These devices protect public health and water
quality.
4. What are the two common causes of backflow?
A. Sunlight and wind only
B. Backpressure and backsiphonage
C. Rain and snow only
D. Noise and vibration only
Rationale: Backflow occurs when pressure relationships
reverse normal flow direction.
5. What is backpressure?
A. No water pressure only
B. Downstream pressure greater than supply pressure
causing reverse flow
, C. Water hammer only
D. Pipe freezing only
Rationale: Pumps, boilers, or elevation can create
backpressure.
6. What is backsiphonage?
A. Pump overload only
B. Reverse flow caused by negative or reduced supply
pressure
C. Pipe painting only
D. Meter failure only
Rationale: Main breaks or heavy demand can create siphon
conditions.
7. What does RP commonly stand for?
A. Repair Pipe
B. Reduced Pressure Principle Assembly
C. Road Permit
D. Return Pump
Rationale: RP assemblies are common high-hazard backflow
devices.
8. What does DCVA commonly stand for?
A. Drain Control Valve Assembly
B. Double Check Valve Assembly
