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Engr 🔜 > Midterms Plumbing > Flashcards

Midterms Plumbing Flashcards

(48 cards)

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1
Q

BACKFLOW

A

the flow of water or other liquids, mixtures of substances into the distributing pipes of a potable supply of water from any source other than from its intended source.

Also called vacuum breaker.

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2
Q

BACKFLOW CONNECTION

A

condition or any arrangement whereby reverse flow can occur.

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3
Q

BACKPRESSURE BACKFLOW

A

occurs due to an increased reverse pressure above the supply pressure. This may be due to pumps, boilers, gravity or other sources of pressure.

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4
Q

BACKFLOW PREVENTER

A

device or means to prevent flow of liquid from returning to the source of supply. Also called vacuum breaker.

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5
Q

BACK-SIPHONAGE

A

the flowing back of used, contaminated or polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipe. See backflow.

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6
Q

BACKWATER VALVE

A

a device installed in a drainage system to prevent reverse flow.

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7
Q

BACKVENT PIPE

A

the part of a vent line, which connects directly with an individual trap underneath or behind the fixture and extends to the branch or main vent pipe at any point higher than the fixture or fixture traps it serves. This is sometimes called an individual vent. See Revent pipe.

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8
Q

BALL COCK

A

a valve opened and closed by the fall and rise, respectively, of an attached ball floating on the surface of the liquid.

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9
Q

BALL JOINT

A

a type of pipe connection in which a ball-shaped end is held in a cuplike shell and allows movements in every direction.

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10
Q

BATHROOM

A

a room equipped with a shower stall or bathtub.

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11
Q

BATTERY OF FIXTURES

A

any of two or more similar adjacent fixtures which discharge into a common horizontal soil or waste branch.

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12
Q

BELL OR HUB

A

that portion of a pipe which, for a short distance, is sufficiently enlarged to receive the end of another pipe of the same diameter for the purpose of making a caulked or push-on joint.

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13
Q

BENDING PIN (or IRON)

A

a tool for straightening or bending lead pipe.

Example: A bending pin is used to create smooth curves in lead pipes.

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14
Q

BIBB

A

synonymous with faucet, cock, tap, plug, etc. The word “faucet” is preferred.

No additional information.

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15
Q

BADET

A

A plumbing fixture used for washing the middle private part of the body, especially the genitals. Also called a “sitz” bath.

No additional information.

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16
Q

BLANK FLANGE

A

A pipe flange that is not drilled for bolt holes.

No additional information.

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17
Q

BLIND FLANGE

A

a flange that closes the end of a pipe. There is no opening for the passage of liquid or gas.

No additional information.

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18
Q

BLOW-OFF

A

a controlled outlet of a pipeline to discharge liquid or detritus.

No additional information.

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19
Q

BOARD

A

the Licensure Board for Master Plumbers.

No additional information.

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20
Q

BOILER BLOW-OFF

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A

a valved outlet of a boiler that permits discharge of accumulated sediment.

No additional information.

21
Q

BRANCH

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A

any part of the piping system other than a main, riser or stack.

No additional information.

22
Q

BRANCH INTERVAL

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A

a length of soil or waste stack corresponding in general to a story height, but in no case less than 2.43 meters within which the horizontal branches from one floor or story of a building are connected to the stack.

No additional information.

23
Q

BRANCH, FIXTURE

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A

see Fixture Branch.

No additional information.

24
Q

BRANCH, HORIZONTAL

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A

see Horizontal Branch.

No additional information.

25
BRANCH VENT
a horizontal vent connecting one or more individual vertical back vents with the vent stack or stack vent. ## Footnote No additional information.
26
BRAZED JOINT
any joint obtained by joining of metal parts with alloys which melt at temperatures higher than 449 degrees centigrade, but lower than the melting temperature of the parts to be joined. ## Footnote No additional information.
27
Befinions
B & S - Brown and Sharpe (Specification) or Bell and Spigot (Ends of Pipes)
28
BUILDING
a structure built, erected and framed of component structural parts designed for the housing, shelter, enclosure or support of persons, animals or property of any kind.
29
BUILDING DRAIN
that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer beginning 0.6 meter outside the building wall.
30
BUILDING SEWER
that part of the horizontal piping of a drainage system which starts from the end of the building drain and which receives the discharge of the building drain and conveys it to a public sewer, private sewer, individual sewage disposal system or other point of disposal.
31
BUILDING SUBDRAIN
that portion of an underground system, which cannot drain by gravity into the building sewer.
32
BUILDING SUPPLY
the pipe carrying potable water from the water meter or other source of water supply to a building or other point of use or distribution on the lot. Building supply shall also mean water service connection.
33
Section 204
"C"
34
CAULKING
plugging an opening with oakum, lead or other materials that are pounded into the annular space. Also, the material pounded into the annular opening.
35
CAP
a fitting, screwed or caulked over the end of a pipe for closing the pipe end.
36
CATCH BASIN
a receptacle in which liquids are retained for a sufficient period of time to allow settleable material to deposit.
37
CERTIFIED BACKFLOW ASSEMBLY TESTER
a person who has shown competence to test and maintain backflow assemblies to the satisfaction of the Administrative Authority having jurisdiction.
38
CESSPOOL
a non-watertight lined excavation in the ground which receives the discharge of a sanitary drainage system or part thereof, designed to retain the organic matter and solids discharging therefrom, but permitting the liquid to seep through the bottom and sides of the cesspool. ## Footnote Example: Cesspools are commonly used in rural areas without access to municipal sewage systems.
39
CHASE
a vertical shaft for installation of different pipe stacks.
40
CHECK VALVE
a valve that automatically closes to prevent the flow of liquid or gas in a reverse direction.
41
CIRCUIT VENT
a group vent pipe which starts in front of the extreme fixture connection on a horizontal branch and connects to the vent stack. See loop vent, also.
42
CODE
The word "Code" or "this Code," when used alone, shall mean these regulations, subsequent amendments thereto or any emergency rule or regulation which the Administrative Authority having jurisdiction may lawfully adopt.
43
COMMON VENT
see unit vent and dual vent.
44
COMBINATION WASTE AND VENT SYSTEM
a specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common horizontal waste and vent pipe, adequately sized to provide free movement of air above the flow line of the drain.
45
COMBUSTIBLE CONSTRUCTION
a structure which any part of its structural framework will ignite and burn at a temperature of 756 degrees centigrade or less.
46
COMMISSION
The Professional Regulation Commission (PRC).
47
COMMON
that part of a plumbing system designed and installed to serve more than one (1) appliance, fixture, building or system.
48
CONFINED SPACE
a room or space having a volume less than 1.4 cu. m with 250 kilogram calorie of the aggregate input rating of all fuel-burning appliances installed in that space.

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