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Journeyman Plumbing Test (Texas)
Questions and Answers
Access (to) Ans: 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.
Air Break (Drainage System) Ans: 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.
Air Gap (Drainage System) Ans: 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
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flood level rim of the receptor must be at least twice the diameter
of the indirect waste pipe.
Air Gap (Water Distribution System) Ans: 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.
Appliance Ans: 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.
Backflow Ans: 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.
Backsiphonage Ans: 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
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the plumbing fixtures, pools, tanks or vats connected to the
potable water distribution piping.
Backflow Connection Ans: Any arrangement whereby backflow is
possible.
Backflow Preventer Ans: A backflow prevention assembly, a
backflow prevention device or other means or method to prevent
backflow into the potable water supply.
Bathroom Group Ans: 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.
Branch Interval Ans: 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.
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Branch Vent Ans: A vent connecting one or more individual vents
with a vent stack or stack vent.
Building Drain Ans: 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.
Code Ans: These regulations, subsequent amendments thereto or
any emergency rules or regulations that the administrative
authority having jurisdiction has lawfully adopted
Combination Waste and Vent System Ans: 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.
© 2025 All rights reserved
Journeyman Plumbing Test (Texas)
Questions and Answers
Access (to) Ans: 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.
Air Break (Drainage System) Ans: 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.
Air Gap (Drainage System) Ans: 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
© 2025 All rights reserved
, 2 | Page
flood level rim of the receptor must be at least twice the diameter
of the indirect waste pipe.
Air Gap (Water Distribution System) Ans: 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.
Appliance Ans: 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.
Backflow Ans: 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.
Backsiphonage Ans: 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
© 2025 All rights reserved
, 3 | Page
the plumbing fixtures, pools, tanks or vats connected to the
potable water distribution piping.
Backflow Connection Ans: Any arrangement whereby backflow is
possible.
Backflow Preventer Ans: A backflow prevention assembly, a
backflow prevention device or other means or method to prevent
backflow into the potable water supply.
Bathroom Group Ans: 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.
Branch Interval Ans: 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.
© 2025 All rights reserved
, 4 | Page
Branch Vent Ans: A vent connecting one or more individual vents
with a vent stack or stack vent.
Building Drain Ans: 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.
Code Ans: These regulations, subsequent amendments thereto or
any emergency rules or regulations that the administrative
authority having jurisdiction has lawfully adopted
Combination Waste and Vent System Ans: 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.
© 2025 All rights reserved
