Journeyman Plumbing Test (Texas) | Questions with 100%
Verified Answers | Latest Update 2026/2027
Question: Access (to)
Answer: That which enables a fixture, appliance or equipment to be reached by ready access or by a means
that first requires the removal or movement of a panel, door or similar obstruction.
Question: Air Break (Drainage System)
Answer: A piping arrangement in which a drain from a fixture, appliance or device discharges indirectly into
another fixture, receptacle or interceptor at a point below the flood level rim and above the trap seal.
Question: Air Gap (Drainage System)
Answer: The unobstructed vertical distance through the free atmosphere between the outlet of the waste pipe
and the flood level rim of the receptacle into which the waste pipe is discharging. The distance between the
waste pipe outlet and the flood level rim of the receptor must be at least twice the diameter of the indirect
waste pipe.
Question: Air Gap (Water Distribution System)
Answer: The unobstructed vertical distance through the free atmosphere between the lowest opening from any
pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim of the
receptacle.
Question: Appliance
Answer: Any apparatus or device that utilizes a fuel or a raw material as a fuel to produce light, heat, power,
refrigeration or air conditioning that compresses fuel gases.
Question: Backflow
Answer: Pressure created by any means in the water distribution system, which by being in excess of the
pressure in the water supply mains causes a potential backflow condition.
Question: Backsiphonage
Answer: The backflow of potentially contaminated water into the potable water system as a result of the
pressure in the potable water system falling below atmospheric pressure of the plumbing fixtures, pools, tanks
or vats connected to the potable water distribution piping.
Question: Backflow Connection
Answer: Any arrangement whereby backflow is possible.
Question: Backflow Preventer
Answer: A backflow prevention assembly, a backflow prevention device or other means or method to prevent
backflow into the potable water supply.
Question: Bathroom Group
Answer: A group of fixtures consisting of a water closet, lavatory, bathtub or shower, including or excluding a
bidet, an emergency floor drain or both. Such fixtures are located together on the same floor level.
, Question: Branch Interval
Answer: A vertical measurement of distance, 8 feet (2438 mm) or more in developed length, between the
connections of horizontal branches to a drainage stack. Measurements are taken down the stack from the
highest horizontal branch connection.
Question: Branch Vent
Answer: A vent connecting one or more individual vents with a vent stack or stack vent.
Question: Building Drain
Answer: That part of the lowest piping of a drainage system that receives the discharge from soil, waste and
other drainage pipes inside and that extends 30 inches (762 mm) in developed length of pipe beyond the
exterior walls of the building and conveys the drainage to the building sewer.
Question: Code
Answer: These regulations, subsequent amendments thereto or any emergency rules or regulations that the
administrative authority having jurisdiction has lawfully adopted
Question: Combination Waste and Vent System
Answer: A specially designed system of waste piping embodying the horizontal wet venting of one or more
sinks, lavatories, drinking fountains or floor drains by means of a common waste and vent pipe adequately
sized to provide free movement of air above the flow line of the drain.
Question: Pipe Material / Max Horizontal Bracing / Max Vertical Bracing
Answer: ABS / 4ft / 10ft Cast-Iron / 5ft / 15ft Copper Tubing (1 1/4 or smaller) / 6ft / 10ft Copper Tubing (1 1/2 or
larger) / 10ft / 10ft PEX / 32in / 10ft PVC / 4ft / 10ft
Question: Common Vent
Answer: A vent connecting at the junction of two fixture drains or to a fixture branch and serving as a vent for
both fixtures.
Question: Conductor
Answer: A pipe inside the building that conveys stormwater from the roof to a storm or combined building
drain.
Question: Contamination
Answer: An impairment of the quality of the potable water that creates an actual hazard to the public health
through poisoning or the spread of disease by sewage, industrial fluids or waste.
Question: Cross Contamination
Answer: Any physical connection or arrangement between two otherwise separate piping systems, one of
which contains portable water and the other, either water of unknown or questionable safety or stream, gas or
chemical, whereby their exists the possibility for flow from one system to the other, with the direction of flow
depending on the pressure differential between the two systems ("Backflow").
Question: Developed Length
Answer: The length of a pipe measured along the center line of the pipe and fittings.
Verified Answers | Latest Update 2026/2027
Question: Access (to)
Answer: That which enables a fixture, appliance or equipment to be reached by ready access or by a means
that first requires the removal or movement of a panel, door or similar obstruction.
Question: Air Break (Drainage System)
Answer: A piping arrangement in which a drain from a fixture, appliance or device discharges indirectly into
another fixture, receptacle or interceptor at a point below the flood level rim and above the trap seal.
Question: Air Gap (Drainage System)
Answer: The unobstructed vertical distance through the free atmosphere between the outlet of the waste pipe
and the flood level rim of the receptacle into which the waste pipe is discharging. The distance between the
waste pipe outlet and the flood level rim of the receptor must be at least twice the diameter of the indirect
waste pipe.
Question: Air Gap (Water Distribution System)
Answer: The unobstructed vertical distance through the free atmosphere between the lowest opening from any
pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim of the
receptacle.
Question: Appliance
Answer: Any apparatus or device that utilizes a fuel or a raw material as a fuel to produce light, heat, power,
refrigeration or air conditioning that compresses fuel gases.
Question: Backflow
Answer: Pressure created by any means in the water distribution system, which by being in excess of the
pressure in the water supply mains causes a potential backflow condition.
Question: Backsiphonage
Answer: The backflow of potentially contaminated water into the potable water system as a result of the
pressure in the potable water system falling below atmospheric pressure of the plumbing fixtures, pools, tanks
or vats connected to the potable water distribution piping.
Question: Backflow Connection
Answer: Any arrangement whereby backflow is possible.
Question: Backflow Preventer
Answer: A backflow prevention assembly, a backflow prevention device or other means or method to prevent
backflow into the potable water supply.
Question: Bathroom Group
Answer: A group of fixtures consisting of a water closet, lavatory, bathtub or shower, including or excluding a
bidet, an emergency floor drain or both. Such fixtures are located together on the same floor level.
, Question: Branch Interval
Answer: A vertical measurement of distance, 8 feet (2438 mm) or more in developed length, between the
connections of horizontal branches to a drainage stack. Measurements are taken down the stack from the
highest horizontal branch connection.
Question: Branch Vent
Answer: A vent connecting one or more individual vents with a vent stack or stack vent.
Question: Building Drain
Answer: That part of the lowest piping of a drainage system that receives the discharge from soil, waste and
other drainage pipes inside and that extends 30 inches (762 mm) in developed length of pipe beyond the
exterior walls of the building and conveys the drainage to the building sewer.
Question: Code
Answer: These regulations, subsequent amendments thereto or any emergency rules or regulations that the
administrative authority having jurisdiction has lawfully adopted
Question: Combination Waste and Vent System
Answer: A specially designed system of waste piping embodying the horizontal wet venting of one or more
sinks, lavatories, drinking fountains or floor drains by means of a common waste and vent pipe adequately
sized to provide free movement of air above the flow line of the drain.
Question: Pipe Material / Max Horizontal Bracing / Max Vertical Bracing
Answer: ABS / 4ft / 10ft Cast-Iron / 5ft / 15ft Copper Tubing (1 1/4 or smaller) / 6ft / 10ft Copper Tubing (1 1/2 or
larger) / 10ft / 10ft PEX / 32in / 10ft PVC / 4ft / 10ft
Question: Common Vent
Answer: A vent connecting at the junction of two fixture drains or to a fixture branch and serving as a vent for
both fixtures.
Question: Conductor
Answer: A pipe inside the building that conveys stormwater from the roof to a storm or combined building
drain.
Question: Contamination
Answer: An impairment of the quality of the potable water that creates an actual hazard to the public health
through poisoning or the spread of disease by sewage, industrial fluids or waste.
Question: Cross Contamination
Answer: Any physical connection or arrangement between two otherwise separate piping systems, one of
which contains portable water and the other, either water of unknown or questionable safety or stream, gas or
chemical, whereby their exists the possibility for flow from one system to the other, with the direction of flow
depending on the pressure differential between the two systems ("Backflow").
Question: Developed Length
Answer: The length of a pipe measured along the center line of the pipe and fittings.
