Plumbing Definitions

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Questions and Answers

What does the abbreviation ABS stand for in the context of plumbing definitions?

Advanced Building Standard
Automated Boiler Setup
Acrylonitrile-Butadiene-Styrene (correct)
Absolute Backflow System

What is the primary function of an air break in a plumbing system?

To directly connect a waste receptor to a fixture or appliance
To increase water pressure in the system
To filter out solid waste particles
To provide a physical separation between the waste source and the indirect waste receptor (correct)

What distinguishes 'readily accessible' from 'accessible' in plumbing terms?

'Readily accessible' requires the removal of an access panel or door.
There is no difference between the two terms.
'Accessible' means direct access without any obstruction.
'Readily accessible' means direct access without the need for removing any obstruction. (correct)

What is the purpose of an air gap in drainage?

To prevent backflow by providing an unobstructed vertical distance between the waste outlet and the receptor (B) Signup and view all the answers

Backpressure backflow occurs due to:

An increase in pressure above the supply pressure (C) Signup and view all the answers

What is the primary function of a backflow preventer?

To prevent the reverse flow of liquid in a pipe (C) Signup and view all the answers

What is back-siphonage?

The flowing back of contaminated water into a water supply pipe due to negative pressure (B) Signup and view all the answers

What is the function of a backwater valve?

To prevent the reverse flow of water in a drainage system (B) Signup and view all the answers

What is the purpose of a cleanout in a drainage system?

To provide an access point for cleaning and clearing obstructions (B) Signup and view all the answers

What is the primary purpose of a ball cock in a plumbing system?

To control the water level in a tank (C) Signup and view all the answers

What is a bell or hub?

The enlarged end of a pipe that receives the end of another pipe. (B) Signup and view all the answers

What tool is used to straighten or bend lead pipe?

Bending pin (or iron) (D) Signup and view all the answers

What is the term synonymous with faucet?

All of the above (D) Signup and view all the answers

What is the primary purpose of a bidet?

To wash the middle private part of the body, especially the genitals (B) Signup and view all the answers

What is the purpose of a blank flange?

To close the end of a pipe (D) Signup and view all the answers

What is the definition of a branch in a piping system?

Any part of the piping system other than a main, riser, or stack (C) Signup and view all the answers

What does a branch interval refer to?

A length of soil or waste stack corresponding to a story height (B) Signup and view all the answers

What is the purpose of a boiler blow-off valve?

To discharge accumulated sediment from a boiler (A) Signup and view all the answers

What is the function of a branch vent?

To connect individual vertical back vents with the vent stack or stack vent (B) Signup and view all the answers

What distinguishes a brazed joint from a soldered joint?

A brazed joint uses a higher melting point alloy than a soldered joint. (D) Signup and view all the answers

What is the primary purpose of a building drain?

To receive and convey wastewater from inside the building to the building sewer (D) Signup and view all the answers

What is the minimum distance from a building wall where a building sewer begins?

0.6 meters (A) Signup and view all the answers

What is the main difference between a building drain and a building sewer?

A building drain is inside the building, and a building sewer connects it to the public sewer or disposal system. (D) Signup and view all the answers

What is a building subdrain?

A portion of an underground system that cannot drain by gravity into the building sewer (B) Signup and view all the answers

What is the purpose of caulking in plumbing?

To plug an opening with materials like oakum or lead to create a seal (A) Signup and view all the answers

What is the function of a cap fitting in plumbing?

To close the end of a pipe (B) Signup and view all the answers

What is the purpose of a catch basin?

To retain liquids for a period of time to allow settleable material to deposit (C) Signup and view all the answers

What is the role of a certified backflow assembly tester?

To test and maintain backflow assemblies (B) Signup and view all the answers

A check valve:

Automatically closes to prevent reverse flow (B) Signup and view all the answers

What is another name for common vent?

Unit Vent and Dual Vent (B) Signup and view all the answers

What is a defining characteristic of a combination waste & vent system?

It uses a specially designed system that allows horizontal wet venting. (D) Signup and view all the answers

Combustible construction is defined as:

A structure which will ignite & burn at 756 degrees centigrade or less (A) Signup and view all the answers

What is the main concern regarding 'contamination' in potable water systems?

Impairment of water quality creating a hazard to public health (C) Signup and view all the answers

What primarily does a conductor or downspout do?

Conveys rainwater from a roof (C) Signup and view all the answers

What is the definition of a court in building terms?

An open, unoccupied space bounded by building walls. (A) Signup and view all the answers

The Critical Level marking (C-L) on a backflow prevention device indicates:

The minimum elevation above the flood level rim where the device can be installed. (D) Signup and view all the answers

Concerning plumbing codes, developed length refers to:

Total length of a pipe along its centerline, including fittings. (A) Signup and view all the answers

What is a Durham System?

A soil or waste system using threaded piping. (C) Signup and view all the answers

Flashcards

ABS

Acrylonitrile-Butadiene-Styrene. A common thermoplastic polymer.

Air Break

A physical separation; low inlet into the indirect waste receptor.