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1 Backflow Prevention Assembly Tester Training GA With Questions and Answers What is an actual cross connection? ANSWER>> Any arrangement of pipes, fittings, or devices that connects a potable water supply directly to a nonANSWER>>potable source at all times What is an Air Gap? ANSWER>> 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? ANSWER>> Atmospheric Vacuum Breaker What is an Atmospheric Vacuum Breaker? ANSWER>> A mechanical device consisting of a float check valve and an airANSWER>>inlet port designed to prevent backsiphonage What is an auxiliary supply? ANSWER>> Any water source or system, other than the potable water supply, that may be available in the building or premises What is backflow? ANSWER>> A hydraulic condition, caused by difference in pressures, in which nonANSWER>>potable water or other fluids flow into a potable water system What is backpressure? ANSWER>> 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? ANSWER>> A backflow condition in which the pressure in the distribution system is less than atmospheric pressure (subANSWER>>atmospheric) What is a bypass? ANSWER>> In crossANSWER>>connection control, any pipe arrangement that passes water around a protective device, casing it to be ineffective What is a carrier? ANSWER>> 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? ANSWER>> To allow flow in only one direction 1 / 2
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2 What is a cross connection? ANSWER>> Any arrangement of pipes, fittings, fixtures, or devices that connects a nonANSWER>>potable system to a potable water system What does DCVA stand for? ANSWER>> Double Check Valve Assembly What is a DCVA? ANSWER>> A testable mechanical device consisting of two independently operating, springANSWER>>loaded check valves What is feed water? ANSWER>> 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? ANSWER>> 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? ANSWER>> The maximum height that water or liquid will rise in a receptacle before it flows over the rim What is a potable water source? ANSWER>> Water that is biologically, chemically, and radiologically safe to drink What is a potential cross connection? ANSWER>> Any arrangement of pipes, fittings, or devices that indirectly connects a potable water supply to a nonANSWER>>potable water source What does PVB stand for? ANSWER>> Pressure Vacuum Breaker What is a PVB? ANSWER>> A device designed to prevent backsiphonage, consisting of once independently operating springANSWER>>loaded check valve and an independently operating springANSWER>>loaded airANSWER>>inlet valve What does RPBP stand for? ANSWER>> Reduced Pressure Backflow Preventer What does RPZBP stand for? ANSWER>> Reduced Pressure Zone Backflow Preventer
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