Tradesman Test Prep (Vocabulary) ,. ,. ,.
ACCESSIBLE - correct answer ✔ ✔ ,. ,. ,. ,.
Where applied to a fixture, connection, appliance, or equipment
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, "accessible" means having access thereto (without demolition),
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but which first may require the removal of an access panel, door,
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or similar obstruction.
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ACCESSIBLE (READILY) - correct answer ✔ ✔ ,. ,. ,. ,. ,.
Having a direct access without the necessity of removing a pane
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l, door, or similar obstruction.
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AIR ADMITTANCE VALVE - correct answer ✔ ✔ One-
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way valve designed to allow air to enter the plumbing drainage sy
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stem when negative pressures develop in the piping system. The d
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evice shall close by gravity and seal the vent terminal at zero diffe
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rential pressure and under positive internal pressures. The purpos
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e of this device is to provide a method of allowing air to enter the
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plumbing drainage system without the use of a vent extended to o
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pen air and to prevent sewer gases from escaping into a building.
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Allowed by IPC/IRC, not allowed by UPC. ,. ,. ,. ,. ,. ,.
,AIR GAP (DRAINAGE) - correct answer ✔ ✔
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The unobstructed vertical distance through the free atmosphere
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between the lowest opening from a pipe, plumbing fixture, applia
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nce, or appurtenance conveying waste to the flood-
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level rim of the receptor. Typically required to be one inch, or twi
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ce the diameter of the waste pipe.
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AIR GAP (WATER DISTRIBUTION) - correct answer ✔ ✔
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The unobstructed vertical distance through the free atmosphere
,. ,. ,. ,. ,. ,. ,. ,.
between the lowest opening from a pipe or faucet conveying pota
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
ble water to the flood-
,. ,. ,. ,.
level rim of a tank, vat, or fixture. Typically required to be one inc
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h, or twice the diameter of the water opening.
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APPROVED - correct answer ✔ ✔ ,. ,. ,. ,.
Acceptable to the Authority Having Jurisdiction. ,. ,. ,. ,. ,.
AUTHORITY HAVING JURISDICTION - correct answer ✔ ,. ,. ,. ,. ,. ,.
✔
The organization, office, or individual responsible for enforcing
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the requirements of a code or standard, or for approving equipme
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
nt, materials, installations, or procedures. The Authority Having J
,. ,. ,. ,. ,. ,. ,. ,.
urisdiction shall be a federal, state, local, or other regional depart
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
ment or an individual such as a plumbing official, mechanical offi
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
, cial, labor department official, health department official, buildin
,. ,. ,. ,. ,. ,. ,.
g official, or others having statutory authority. In the absence of a
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
statutory authority, the Authority Having Juris-
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diction may be some other responsible party. This definition shall
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include the Authority Having Jurisdiction's duly authorized repre
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sentative.
BACKFLOW - correct answer ✔ ✔ ,. ,. ,. ,.
The flow of water or other liquids, mixtures, or substances into t
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
he distributing pipes of a potable supply of water from sources oth
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er than its intended source. See Back-
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siphonage, Backpressure Backflow.
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BACKPRESSURE BACKFLOW - correct answer ✔ ✔ ,. ,. ,. ,. ,.
Backflow due to an increased pressure above the supply pressur
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e, which may be due to pumps, boilers, gravity, or other sources o
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
f pressure.
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BACKSIPHONAGE - correct answer ✔ ✔ ,. ,. ,. ,.
The flowing back of used, contaminated, or polluted water from
,. ,. ,. ,. ,. ,. ,. ,. ,.
a plumbing fixture or vessel into a water supply pipe due to a pres
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
sure less than atmospheric in such pipe. See Backflow.
,. ,. ,. ,. ,. ,. ,. ,.
ACCESSIBLE - correct answer ✔ ✔ ,. ,. ,. ,.
Where applied to a fixture, connection, appliance, or equipment
,. ,. ,. ,. ,. ,. ,. ,.
, "accessible" means having access thereto (without demolition),
,. ,. ,. ,. ,. ,. ,. ,.
but which first may require the removal of an access panel, door,
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
or similar obstruction.
,. ,.
ACCESSIBLE (READILY) - correct answer ✔ ✔ ,. ,. ,. ,. ,.
Having a direct access without the necessity of removing a pane
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
l, door, or similar obstruction.
,. ,. ,. ,.
AIR ADMITTANCE VALVE - correct answer ✔ ✔ One-
,. ,. ,. ,. ,. ,.
way valve designed to allow air to enter the plumbing drainage sy
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
stem when negative pressures develop in the piping system. The d
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
evice shall close by gravity and seal the vent terminal at zero diffe
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
rential pressure and under positive internal pressures. The purpos
,. ,. ,. ,. ,. ,. ,. ,.
e of this device is to provide a method of allowing air to enter the
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
plumbing drainage system without the use of a vent extended to o
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
pen air and to prevent sewer gases from escaping into a building.
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
Allowed by IPC/IRC, not allowed by UPC. ,. ,. ,. ,. ,. ,.
,AIR GAP (DRAINAGE) - correct answer ✔ ✔
,. ,. ,. ,. ,. ,.
The unobstructed vertical distance through the free atmosphere
,. ,. ,. ,. ,. ,. ,. ,.
between the lowest opening from a pipe, plumbing fixture, applia
,. ,. ,. ,. ,. ,. ,. ,. ,.
nce, or appurtenance conveying waste to the flood-
,. ,. ,. ,. ,. ,. ,.
level rim of the receptor. Typically required to be one inch, or twi
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
ce the diameter of the waste pipe.
,. ,. ,. ,. ,. ,.
AIR GAP (WATER DISTRIBUTION) - correct answer ✔ ✔
,. ,. ,. ,. ,. ,. ,.
The unobstructed vertical distance through the free atmosphere
,. ,. ,. ,. ,. ,. ,. ,.
between the lowest opening from a pipe or faucet conveying pota
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
ble water to the flood-
,. ,. ,. ,.
level rim of a tank, vat, or fixture. Typically required to be one inc
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
h, or twice the diameter of the water opening.
,. ,. ,. ,. ,. ,. ,. ,.
APPROVED - correct answer ✔ ✔ ,. ,. ,. ,.
Acceptable to the Authority Having Jurisdiction. ,. ,. ,. ,. ,.
AUTHORITY HAVING JURISDICTION - correct answer ✔ ,. ,. ,. ,. ,. ,.
✔
The organization, office, or individual responsible for enforcing
,. ,. ,. ,. ,. ,. ,.
the requirements of a code or standard, or for approving equipme
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
nt, materials, installations, or procedures. The Authority Having J
,. ,. ,. ,. ,. ,. ,. ,.
urisdiction shall be a federal, state, local, or other regional depart
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
ment or an individual such as a plumbing official, mechanical offi
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
, cial, labor department official, health department official, buildin
,. ,. ,. ,. ,. ,. ,.
g official, or others having statutory authority. In the absence of a
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
statutory authority, the Authority Having Juris-
,. ,. ,. ,. ,.
diction may be some other responsible party. This definition shall
,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
include the Authority Having Jurisdiction's duly authorized repre
,. ,. ,. ,. ,. ,. ,. ,.
sentative.
BACKFLOW - correct answer ✔ ✔ ,. ,. ,. ,.
The flow of water or other liquids, mixtures, or substances into t
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
he distributing pipes of a potable supply of water from sources oth
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
er than its intended source. See Back-
,. ,. ,. ,. ,. ,.
siphonage, Backpressure Backflow.
,. ,. ,.
BACKPRESSURE BACKFLOW - correct answer ✔ ✔ ,. ,. ,. ,. ,.
Backflow due to an increased pressure above the supply pressur
,. ,. ,. ,. ,. ,. ,. ,. ,.
e, which may be due to pumps, boilers, gravity, or other sources o
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
f pressure.
,.
BACKSIPHONAGE - correct answer ✔ ✔ ,. ,. ,. ,.
The flowing back of used, contaminated, or polluted water from
,. ,. ,. ,. ,. ,. ,. ,. ,.
a plumbing fixture or vessel into a water supply pipe due to a pres
,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,. ,.
sure less than atmospheric in such pipe. See Backflow.
,. ,. ,. ,. ,. ,. ,. ,.
