Backflow Prevention Assembly Tester
Training Exam Questions with 100%
Correct Answers
Salmonellosis - ✔✔A disease caused by pathogenic bacterica (often associated
with chicken), which affects the intestinal tract. The primary symptom is severe
diarrhea.
A valve designed to open in the direction of normal flow and close with the
reversal of flow. - ✔✔Check valve
Overflow level - ✔✔The maximum height that water or liquid will rise in a
receptacle before it flows over the rim.
Backflow - ✔✔A hydraulic condition, caused by a difference in pressures, in
which non-potable water or other fluids flow into a potable water system.
RPBP - ✔✔A shortened name for a reduced pressure backflow preventer
Air Gap - ✔✔In plumbing, 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
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,potential cross connection - ✔✔Any arrangements of pipes, fittings, or devices
that indirectly connects a potable water supply to a non-potable source
Dysentery - ✔✔A disease (sometime waterborne) caused by pathogenic
microorganisms and characterized by severe diarrhea with passage of mucus
and blood
Backsiphonage - ✔✔A backflow condition in which the pressure in the
distribution system is less than atmospheric pressure (subatmospheric)
Hose bib - ✔✔A faucet to which a hose may be attached
Carrier - ✔✔A human or animal that carries germs and can pass them to
another person without getting the disease himself.
Reduced pressure zone backflow preventer - ✔✔A mechanical device consisting
of two independnetly operating, spring-loaded check valves with a reduced
pressure zone between check valves.
Auxiliary supply - ✔✔Any water source or system, other than the potable water
supply, that may be available in the building or premesis.
Actual Cross Connection - ✔✔Any arrangement of pipes, fittings, that connects
a potable water supply directly to a non-potable source at all times.
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, Hepatitis - ✔✔An inflammation of the liver caused by a pathogenic virus.
Symptoms are jaundice, general weakness, nausea, and the presence of dark
urine.
Feed water - ✔✔Water that is added to a commercial or industrial system and
subsequently used by the system, such as water that is fed to a boiler to
produce steam.
Pressure vacuum breaker - ✔✔A device designed to prevent backsiphonsge,
consisting of one independently operating spring-loaded check valve and an
independently operating spring-loaded air-inlet valve.
Bypass - ✔✔In cross-connection control, any pipe arrangement that passes
water around a protective device, causing it to be ineffective.
Gastroenteritis - ✔✔An intestinal disease caused by pathogenic
microorganisms, which involves inflammation of the stomach and intestines.
Symptoms are diarrhea, pain, and nausea.
Back pressure - ✔✔A backflow condition in which a pump, elevated tank, boiler
or other means results in a downstream pressure greater than the supply
pressure
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
Training Exam Questions with 100%
Correct Answers
Salmonellosis - ✔✔A disease caused by pathogenic bacterica (often associated
with chicken), which affects the intestinal tract. The primary symptom is severe
diarrhea.
A valve designed to open in the direction of normal flow and close with the
reversal of flow. - ✔✔Check valve
Overflow level - ✔✔The maximum height that water or liquid will rise in a
receptacle before it flows over the rim.
Backflow - ✔✔A hydraulic condition, caused by a difference in pressures, in
which non-potable water or other fluids flow into a potable water system.
RPBP - ✔✔A shortened name for a reduced pressure backflow preventer
Air Gap - ✔✔In plumbing, 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
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
,potential cross connection - ✔✔Any arrangements of pipes, fittings, or devices
that indirectly connects a potable water supply to a non-potable source
Dysentery - ✔✔A disease (sometime waterborne) caused by pathogenic
microorganisms and characterized by severe diarrhea with passage of mucus
and blood
Backsiphonage - ✔✔A backflow condition in which the pressure in the
distribution system is less than atmospheric pressure (subatmospheric)
Hose bib - ✔✔A faucet to which a hose may be attached
Carrier - ✔✔A human or animal that carries germs and can pass them to
another person without getting the disease himself.
Reduced pressure zone backflow preventer - ✔✔A mechanical device consisting
of two independnetly operating, spring-loaded check valves with a reduced
pressure zone between check valves.
Auxiliary supply - ✔✔Any water source or system, other than the potable water
supply, that may be available in the building or premesis.
Actual Cross Connection - ✔✔Any arrangement of pipes, fittings, that connects
a potable water supply directly to a non-potable source at all times.
2|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, Hepatitis - ✔✔An inflammation of the liver caused by a pathogenic virus.
Symptoms are jaundice, general weakness, nausea, and the presence of dark
urine.
Feed water - ✔✔Water that is added to a commercial or industrial system and
subsequently used by the system, such as water that is fed to a boiler to
produce steam.
Pressure vacuum breaker - ✔✔A device designed to prevent backsiphonsge,
consisting of one independently operating spring-loaded check valve and an
independently operating spring-loaded air-inlet valve.
Bypass - ✔✔In cross-connection control, any pipe arrangement that passes
water around a protective device, causing it to be ineffective.
Gastroenteritis - ✔✔An intestinal disease caused by pathogenic
microorganisms, which involves inflammation of the stomach and intestines.
Symptoms are diarrhea, pain, and nausea.
Back pressure - ✔✔A backflow condition in which a pump, elevated tank, boiler
or other means results in a downstream pressure greater than the supply
pressure
3|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
