Backflow Prevention Assembly Tester Training – Georgia
(GA) 2025 | Exam Prep Q&A, Cross-Connection, RPZ,
DCVA, PVB, Air Gap & Safety Guide.
What is an actual cross connection?
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?
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?
Atmospheric Vacuum Breaker
What is an Atmospheric Vacuum Breaker?
A mechanical device consisting of a float check valve and an air-inlet port designed to prevent
backsiphonage
What is an auxiliary supply?
Any water source or system, other than the potable water supply, that may be available in the
building or premises
What is backflow?
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?
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?
A backflow condition in which the pressure in the distribution system is less than atmospheric
pressure (sub-atmospheric)
What is a bypass?
, In cross-connection control, any pipe arrangement that passes water around a protective
device, casing it to be ineffective
What is a carrier?
A human or animal that carries disease germs and can pass them to another person or animal
without getting the disease itself
What is the purpose of a check valve?
To allow flow in only one direction
What is a cross connection?
Any arrangement of pipes, fittings, fixtures, or devices that connects a non-potable system to a
potable water system
What does DCVA stand for?
Double Check Valve Assembly
What is a DCVA?
A testable mechanical device consisting of two independently operating, spring-loaded check
valves
What is feed water?
Water that is added to a commercial or industrial system and is subsequently used by the
system, such as water that is fed to a boiler to produce steam
What is an incubation period for a disease?
The time period that elapses between the time a person is exposed to some disease and the
time that person shows the first sign or symptom of the disease
What is an overflow level?
The maximum height that water or liquid will rise in a receptacle before it flows over the rim
What is a potable water source?
Water that is biologically, chemically, and radiologically safe to drink
What is a potential cross connection?
Any arrangement of pipes, fittings, or devices that indirectly connects a potable water supply to
a non-potable water source
(GA) 2025 | Exam Prep Q&A, Cross-Connection, RPZ,
DCVA, PVB, Air Gap & Safety Guide.
What is an actual cross connection?
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?
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?
Atmospheric Vacuum Breaker
What is an Atmospheric Vacuum Breaker?
A mechanical device consisting of a float check valve and an air-inlet port designed to prevent
backsiphonage
What is an auxiliary supply?
Any water source or system, other than the potable water supply, that may be available in the
building or premises
What is backflow?
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?
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?
A backflow condition in which the pressure in the distribution system is less than atmospheric
pressure (sub-atmospheric)
What is a bypass?
, In cross-connection control, any pipe arrangement that passes water around a protective
device, casing it to be ineffective
What is a carrier?
A human or animal that carries disease germs and can pass them to another person or animal
without getting the disease itself
What is the purpose of a check valve?
To allow flow in only one direction
What is a cross connection?
Any arrangement of pipes, fittings, fixtures, or devices that connects a non-potable system to a
potable water system
What does DCVA stand for?
Double Check Valve Assembly
What is a DCVA?
A testable mechanical device consisting of two independently operating, spring-loaded check
valves
What is feed water?
Water that is added to a commercial or industrial system and is subsequently used by the
system, such as water that is fed to a boiler to produce steam
What is an incubation period for a disease?
The time period that elapses between the time a person is exposed to some disease and the
time that person shows the first sign or symptom of the disease
What is an overflow level?
The maximum height that water or liquid will rise in a receptacle before it flows over the rim
What is a potable water source?
Water that is biologically, chemically, and radiologically safe to drink
What is a potential cross connection?
Any arrangement of pipes, fittings, or devices that indirectly connects a potable water supply to
a non-potable water source
