Download Plumbing Terminology and Definitions: A Glossary for Students and more Exams Advanced Education in PDF only on Docsity!
BU1 AUSAT EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST 2025 ALREADY
GRADED A+
Sanitary Tee - ANSWERS-A tee with a slight curve in the 90-degree transition
Sanitary Cross Tee - ANSWERS-A cross with a slight curve in each of the 90-degree transitions
Cross - ANSWERS-A fitting used to connect four straight pipes at 90-degree angles
Tapped Tee - ANSWERS-A tee with a branch that is tapped to receive a threaded pipe
Coupling - ANSWERS-A short internally threaded pipe section, used to connect two pipes
Socket - ANSWERS-A coupling with enlarged ends for more strength
Ventilation System - ANSWERS-A system that provides air circulation, preventing siphonage and backpressure
Soil Pipe - ANSWERS-A pipe that conveys fecal matter
Waste Pipe - ANSWERS-A pipe that conveys liquid waste
Indirect Waste Pipe - ANSWERS-A waste pipe that does not connect with the drainage system directly, but through an air break or gap into a trap, receptor or interceptor
Plumbing System - ANSWERS-Includes the water supply distributing pipes, fixtures, traps, soil pipes, waste pipes, vent pipes, building drain, building sewer, and storm water drainage
Water Supply System - ANSWERS-A system which provides and distributes water to the structure
Drainage System - ANSWERS-A system which conveys sewage, rainwater, or other liquid wastes to a point of disposal
Backflow - ANSWERS-The flow of water or wastewater in pipes in a reverse direction
Back Pressure - ANSWERS-A pressure greater than atmospheric pressure (>14. psi)
Back Siphonage - ANSWERS-The flowing by negative pressure of contaminated or polluted water from a fixture to a potable water system
Backwater Valve - ANSWERS-A device which prevents the reverse flow of storm water or sewage into the drainage system
Ball Valve - ANSWERS-A valve in which the flow is controlled by a rotating drilled ball that fits against a watertight seat
Battery (of Fixtures) - ANSWERS-Any group of 2 or more similar adjacent fixtures connected to a common soil or waste branch
Bell - ANSWERS-The end of a pipe which is enlarged to connect to another, bigger pipe
Bibb - ANSWERS-Another term for faucet, cock, plug, tap, or spigot
Bidet - ANSWERS-A fixture for washing the external genitals and posterior
Branch - ANSWERS-Any pipe other than the main, riser, or stack
Branch Interval - ANSWERS-The height of a soil or waste stack, where the branches from one storey of the structure are connected
Building Drain - ANSWERS-The lowest horizontal piping which receives the discharge from the drainage pipes of a structure and conveys it to the building sewer
Building Sewer - ANSWERS-The part of the drainage system that extends from the building drain and conveys its discharge to the appropriate sewer (or other point of disposal)
Building Supply Pipe - ANSWERS-The first part of the water supply system after the water meter
Caulking/ Calking/ Cogging - ANSWERS-Plugging an opening with oakum, lead or other materials that are pounded into an annular space; also refers to the actual materials that are pounded into the annular space
Cesspool/ Seepage Pit/ Dry Well - ANSWERS-A non-watertight excavation in the ground which receives the discharge of a sanitary drainage system, retaining solids but allowing liquids to seep through
Faucet - ANSWERS-A valve on the end of a water pipe which allows water to be drawn
Fixture - ANSWERS-A receptacle attached to a plumbing system other than a trap, which collects water or waste to be discharged
Flood Level - ANSWERS-The level in a fixture at which water overflows
Flow Rate - ANSWERS-The volume of water used by a fixture in a given amount of time; measured in gallons per minute (gpm)
Flush Valve - ANSWERS-A device which flushes water closets and similar fixtures; located at the bottom of a flush tank
Flushometer Valve - ANSWERS-A device which discharges a predetermined amount of water to fixtures for flushing
Full bath - ANSWERS-A bathroom with a water closet, lavatory and bathtub
Gate Valve - ANSWERS-A valve in which the flow is cut off by a circular disk against machine-smoothed surfaces
Globe Valve - ANSWERS-A valve in which the flow is cut off by a circular disk that fits tightly against the seat.
Gooseneck - ANSWERS-A return bend of a small faucet
Half Bath - ANSWERS-A bathroom with a water closet and a lavatory
Hose Bibb - ANSWERS-A faucet to which a hose may be attached
Hub - ANSWERS-Another term for bell
Insanitary - ANSWERS-A condition contrary to sanitary principles or injurious to health
Lavatory - ANSWERS-A fixture for washing the hands and face
Main - ANSWERS-The principal pipe where branches may be connected
Main Vent (Vent Stack) - ANSWERS-A vertical vent pipe that provides air circulation to/from any part of a drainage system
Manhole - ANSWERS-An opening in a plumbing system, of sufficient size for a person to access
Pipe - ANSWERS-A cylindrical conduit or conductor
Soil Stack - ANSWERS-A vertical soil pipe that conveys the discharge from branches to the building drain or building sewer
Spigot - ANSWERS-The end of a pipe that fits into a bell; Another term for faucet or bibb
Stack - ANSWERS-Any vertical pipe for soil, waste or ventilation
Sump - ANSWERS-A tank or pit below the normal grade of gravity that receives sewage, at which the sewage is pumped to a higher receiving point
Trap - ANSWERS-A fitting or device that provides a liquid seal which prevents backflow and foul gases without materially affecting the flow of sewage or wastewater through it
Vent Pipe - ANSWERS-A pipe that provides air circulation in a drainage system and relieves negative pressure on traps
Water Service Pipe - ANSWERS-The first part of the water supply system before the water meter
Yoke Vent - ANSWERS-A pipe connected upward from a soil or waste stack to a vent stack for preventing pressure changes
Natural Water - ANSWERS-Water readily found in nature, from precipitation; contains impurities
Purified Water - ANSWERS-Water which undergoes treatment to improve its quality
Contaminated Water - ANSWERS-Water with any material or substance that affects its quality and an individual's health
Polluted Water - ANSWERS-Water with any foreign substance which degrades its quality so as to be constituted as a health hazard and impairs water potability
Hard Water - ANSWERS-Water with Calcium (Ca), Magnesium (Mg), Iron (Fe), and Aluminum (Al); characterized by difficulty of producing lather from detergents and presence of scale deposits in pipes, heaters, or boilers
Soft Water - ANSWERS-Water without Calcium (Ca), Magnesium (Mg), Iron (Fe), and Aluminum (Al); characterized by easiness of producing lather from detergents and absence of scale formation in pipes, heaters, or boilers
Grey Water - ANSWERS-Water from laundries, wash basins, sinks, showers, and bathtubs
Black Water - ANSWERS-Water with human waste, from toilets and urinals
Corrosion Control - ANSWERS-Water treatment where the concentration of hazardous materials is prevented from increasing by limiting the degradation of metals in water
Nuisance Control - ANSWERS-Water treatment where Copper Sulfate (CU2SO4) is applied to reduce algae growth
Adsorption - ANSWERS-Water treatment where porous materials attract contaminants to their surfaces, removing them from the water
Ultraviolet Irradiation - ANSWERS-Water treatment where momentary exposure to UV radiation kill the remaining bacteria in filtered water
Water Desalination - ANSWERS-Water treatment where saltwater is heated and then pumped into a low pressure tank, where it is vaporized and condensed and removed as pure water; the process is repeated many times
Brine - ANSWERS-The remaining liquid from water desalination; contains a large amount of salt, processed for minerals
Reciprocating Pump - ANSWERS-A pump having a plunger moving back and forth in a cylinder equipped with check valves
Rotary Pump - ANSWERS-A pump having a helical or spiral rotor- a turning vertical shaft within a rubber sleeve
Centrifugal Pump - ANSWERS-A pump having an impeller mounted on a rotating shaft
Turbine Pump - ANSWERS-A pump having a vertical turbine below groundwater level and a driving motor at grade level, with a long shaft between them; requires substantial head clearance
Submersible Pump - ANSWERS-A pump having a turbine and motor that can be submerged without damage
Jet Pump (Ejector Pump) - ANSWERS-A pump having a venturi tube added to a centrifugal pump
Soil and Waste Vent (Stack Vent) - ANSWERS-The extension (to the open air) of a soil or waste stack above the highest branch connected to the stack.
Individual Vent - ANSWERS-A vent that connects to a single fixture trap
Duplex Vent - ANSWERS-A vent that connects to dual fixture traps
Circuit Vent - ANSWERS-A branch vent that serves 2 or more traps and extends from in front of the last fixture connection of a branch to the vent stack
Dip - ANSWERS-The lowest point of the inside top surface of the channel through a trap
Crown Weir - ANSWERS-The highest point of the bottom surface of the crown
Fitting - ANSWERS-A device used to connect one or more pipes to each other
Bend (Sweep) - ANSWERS-A fitting used to change pipe direction
Return Bend - ANSWERS-A bend that provides a 180-degree change in direction
Elbow (1/4 Bend) - ANSWERS-A bend that provides a 90-degree change in direction
1/8 Bend - ANSWERS-A bend that provides a 45-degree change in direction
1/16 Bend - ANSWERS-A bend that provides a 22 1/2-degree change in direction
Straight Elbow - ANSWERS-An elbow having both ends internally threaded
Street Elbow (Service Elbow) - ANSWERS-An elbow with an inside thread on one end and an outside thread on the other end
Wye (Wye Branch) - ANSWERS-A fitting used to connect a branch pipe into a straight run at a 45-degree angle
Combination Wye Branch - ANSWERS-A wye branch combined with a 1/8 bend, where the branch inlet is perpendicular to the straight run.
Upright Wye Combination - ANSWERS-A wye branch combined with a 1/8 bend, where the branch inlet is parallel to the straight run.
Inverted Wye Combination - ANSWERS-A wye branch combined with a 1/8 bend, where the branch end is a spigot
Tee - ANSWERS-A fitting used to connect a branch pipe into a straight run at a 90- degree angle
Straight Tee - ANSWERS-A tee with all openings having the same size
Street Tee (Service Tee) - ANSWERS-A tee with an outside thread on one end and an inside thread on the other end and on the branch
Adapter - ANSWERS-A fitting used to connect pipes of different materials
Nipple - ANSWERS-A short externally threaded pipe section, used to connect couplings or fittings
Reducer/ Increaser - ANSWERS-A coupling with one end larger than the other; used to connect pipes of different sizes
Check Valve - ANSWERS-A valve that closes automatically to prevent backflow; no handle
Butterfly Valve - ANSWERS-A valve in which the flow is controlled by a rotating disk
Pressure Reducing Valve - ANSWERS-A valve that automatically converts high, fluctuating inlet water pressure to a lower, constant pressure
Relief Valve - ANSWERS-A safety device that automatically provides protection against excessive temperatures and pressures; installed in water-heating equipment to prevent overheating and explosions
Foot Valve - ANSWERS-A valve installed at the base of the suction line of a pump in a water cistern or reservoir
Float Valve - ANSWERS-A valve used to control the water level in a container; the flow is controlled by a floating ball
Water Meter - ANSWERS-A device used to measure the volume of water that passes through the water service
Hydrant Valve - ANSWERS-A valve used for accessing water directly from the main; used for fire protection and suppression
