WorksheetsPlumbing Terminology Assessment - IPC 2021 Code
Total questions: 20
Worksheet time: 10mins
What is the definition of a "backflow" according to the IPC 2021?
The flow of water in its intended direction
A reversal of flow in the normal direction of the system
The initial surge of water in a pipe
The pressure loss in a plumbing system
What is a "branch interval" in vertical drain stacking?
The entire length of a horizontal pipe
A vertical stack of less than 8 feet
The distance between connections to a stack
A length of stack not less than 8 feet containing branch connections
Define "dead end" in plumbing systems:
A pipe fitting that allows for future connections
A branch leading to a fixture
A pipe termination point with proper ventilation
A pipe that terminates without a proper connection to fixtures or other piping
What is a "developed length" in plumbing terms?
The straight-line distance between two points
The actual length of pipe along the centerline of the pipe and fittings
The vertical distance between fixtures
The minimum required length of pipe
What defines a "full-open valve"?
A valve that only operates fully opened or closed
A valve with a flow area equal to the connecting pipe
A valve that can be partially opened
A valve used only in emergency situations
What is the definition of "gray water"?
Water from toilets and urinals
Waste water from kitchen sinks
Waste water from bathtubs, showers, and lavatories
Storm water from roof drains
Define "grease interceptor":
A device used to filter debris from water
A plumbing fixture that removes grease from waste water
A storage tank for cooking oils
A valve that prevents backflow
What is a "local vent stack"?
A vent connecting directly to the outdoors
A vent serving a single fixture
A vent that terminates in an attic
A vent connecting to suds pressure zones
Define "plumbing appurtenance":
A device or tool used by plumbers
The main water supply line
A manufactured device that is part of a plumbing system
A temporary connection in plumbing
What is a "potable water"?
Water that has been filtered
Water that is safe for drinking
Water used for irrigation
Water stored in tanks
Define "relief valve":
A valve designed to relieve excess pressure automatically
A valve used to shut off water supply
A valve that controls water temperature
A valve used for drainage systems
What is a "rim"?
The edge of a pipe fitting
The unobstructed open edge of a fixture
The connection point of a valve
The top of a water tank
Define "stack vent":
A horizontal vent pipe
A vent connected to a fixture drain
The extension of a soil or waste stack above the highest horizontal drain
A vent used in basement installations
What is a "trap seal"?
A device that prevents leaks
The vertical distance between the weir and the top of the dip
A rubber gasket in a pipe joint
A waterproof coating on pipes
Define "vacuum breaker":
A device to prevent excessive water pressure
A device to prevent backflow caused by siphonage
A device that releases trapped air
A device that stops water hammer
What is "wet venting"?
A vent pipe that collects condensation
A vent system where the vent pipe serves as a waste pipe
A vent exposed to outdoor elements
A vent that requires periodic maintenance
Define "yoke vent":
A vent connected to a horizontal drain
A vent that connects to a stack vent and a vent stack
A vent used in basement plumbing
A vent that serves multiple fixtures
What is a "water service pipe"?
Any pipe carrying water inside a building
The pipe from the water main to the building
A pipe connected to fixtures
A pipe used for hot water only
Define "stack":
The vertical main of a system of soil, waste, or vent piping
A horizontal collection of pipes
A group of fixtures on the same floor
A series of connected valves
What is a "plumbing fixture"?
A tool used in plumbing repairs
Any pipe or fitting in a system
A receptacle that receives water or waste
A device that measures water flow
