Backflow Prevention Assembly Tester Training
Exam Study Questions and Answers 2025
What is an actual cross connection? -Correct Answers ✔-Any arrangement of
pipes, fittings, or devices that connects a potable water supply directly to a non-
potable source at all times
What is an Air Gap? -Correct Answers ✔-The unobstructed vertical distance
through the free atmosphere between the lowest opening from any pipe or outlet
supplying water to a tank, plumbing fixture, or other container, and the overflow
rim of that container
What does AVB stand for? -Correct Answers ✔-Atmospheric Vacuum Breaker
What is an Atmospheric Vacuum Breaker? -Correct Answers ✔-A mechanical
device consisting of a float check valve and an air-inlet port designed to prevent
backsiphonage
What is an auxiliary supply? -Correct Answers ✔-Any water source or system,
other than the potable water supply, that may be available in the building or
premises
What is backflow? -Correct Answers ✔-A hydraulic condition, caused by
difference in pressures, in which non-potable water or other fluids flow into a
potable water system
What is backpressure? -Correct Answers ✔-A backflow condition in which a
pump, elevated tank, boiler, 0r other means results in a downstream pressure
greater than the supply pressure
What is backsiphange? -Correct Answers ✔-A backflow condition in which the
pressure in the distribution system is less than atmospheric pressure (sub-
atmospheric)
What is a bypass? -Correct Answers ✔-In cross-connection control, any pipe
arrangement that passes water around a protective device, casing it to be
ineffective
Backflow Prevention Assembly Tester Training
, Backflow Prevention Assembly Tester Training
What is the purpose of a check valve? -Correct Answers ✔-To allow flow in only
one direction
What is a cross connection? -Correct Answers ✔-Any arrangement of pipes,
fittings, fixtures, or devices that connects a non-potable system to a potable water
system
What does DCVA stand for? -Correct Answers ✔-Double Check Valve Assembly
What is a DCVA? -Correct Answers ✔-A testable mechanical device consisting of
two independently operating, spring-loaded check valves
What is an overflow level? -Correct Answers ✔-The maximum height that water or
liquid will rise in a receptacle before it flows over the rim
What is a potable water source? -Correct Answers ✔-Water that is biologically,
chemically, and radiologically safe to drink
What is a potential cross connection? -Correct Answers ✔-Any arrangement of
pipes, fittings, or devices that indirectly connects a potable water supply to a non-
potable water source
What does PVB stand for? -Correct Answers ✔-Pressure Vacuum Breaker
What is a PVB? -Correct Answers ✔-A device designed to prevent backsiphonage,
consisting of once independently operating spring-loaded check valve and an
independently operating spring-loaded air-inlet valve
What does RPBP stand for? -Correct Answers ✔-Reduced Pressure Backflow
Preventer
What does RPZBP stand for? -Correct Answers ✔-Reduced Pressure Zone
Backflow Preventer
What is an RP? -Correct Answers ✔-A mechanical device consisting of two
independently operating, spring-loaded check valves with a reduced pressure zone
between the check valves
Backflow Prevention Assembly Tester Training