Comprehensive Journeyman Plumbing Exam
Review: Codes, Systems, and Installations
ACTUAL QUESTIONS AND CORRECT
ANSWERS
air gap - Correct answers✔✔the vertical distance between the opening of the water supply and
the flood level rim of a receptacle.
branch - Correct answers✔✔any part of the piping system except mains, stacks or risers.
branch vent - Correct answers✔✔a vent connecting individual vents with a stack vent or vent
stack.
building drain - Correct answers✔✔the lowest part of the drainage system which receives waste
from soil and waste pipes and connects to the building sewer.
building sewer - Correct answers✔✔drainage piping that conveys waste from the building drain
to the public sewer or disposal system.
clean out - Correct answers✔✔an access opening in the drainage system used to remove
obstructions.
combination fixture - Correct answers✔✔a two or three compartment sink drained by a
continuous waste connected into one trap.
combination waste and vent - Correct answers✔✔a horizontal wet venting system for sinks and
floor drains.
,Critical level - Correct answers✔✔an elevation mark on a vacuum breaker setting the minimum
elevation the device can be installed above the flood level rim of a fixture.
cross connection - Correct answers✔✔an actual or potential tie between potable water and any
source of pollution or contamination.
Developed Length - Correct answers✔✔a measurement of piping taken along the centerline of
pipe and fittings.
drain - Correct answers✔✔any pipe that conveys wastewater in the drainage system.
flood level rim - Correct answers✔✔the upper rim of a fixture where water will overflow.
indirect waste - Correct answers✔✔a waste pipe that drains through an air gap to the drainage
system.
individual vent - Correct answers✔✔a pipe installed to vent one fixture trap and it may connect
to the vent system above the fixture or terminate in the open air.
main - Correct answers✔✔the primary or principal pipe to which branches are connected.
Potable water - Correct answers✔✔water that is sufficiently free of impurities to meet public
health standards.
rough-in - Correct answers✔✔a part of the plumbing system installed prior to the installation of
fixtures.
, Soil pipe - Correct answers✔✔drain pipe conveying sewage containing fecal matter.
stack vent - Correct answers✔✔the extension of a soil or waste stack above the highest fixture
served.
trap - Correct answers✔✔a device that provides a water seal to prevent the passage of sewer gas
and allow the passage of waste.
trap seal - Correct answers✔✔the distance from the weir to the top of the dip of the trap.
RP - Correct answers✔✔a backflow preventer that allows air to a vacuum being pulled in a
system.
vacuum breaker - Correct answers✔✔A backflow preventer that allows air to a vacuum being
pulled in a system.
vertical pipe - Correct answers✔✔A pipe that makes an angle of 45 degrees or more with the
horizontal.
Air makeup - Correct answers✔✔Air provided to replace exhausted air.
alteration - Correct answers✔✔A change involving extension, addition or change to
arrangement, type or purpose of installation.
BTU - Correct answers✔✔Heat required to raise 1 pound of water 1°F.
Review: Codes, Systems, and Installations
ACTUAL QUESTIONS AND CORRECT
ANSWERS
air gap - Correct answers✔✔the vertical distance between the opening of the water supply and
the flood level rim of a receptacle.
branch - Correct answers✔✔any part of the piping system except mains, stacks or risers.
branch vent - Correct answers✔✔a vent connecting individual vents with a stack vent or vent
stack.
building drain - Correct answers✔✔the lowest part of the drainage system which receives waste
from soil and waste pipes and connects to the building sewer.
building sewer - Correct answers✔✔drainage piping that conveys waste from the building drain
to the public sewer or disposal system.
clean out - Correct answers✔✔an access opening in the drainage system used to remove
obstructions.
combination fixture - Correct answers✔✔a two or three compartment sink drained by a
continuous waste connected into one trap.
combination waste and vent - Correct answers✔✔a horizontal wet venting system for sinks and
floor drains.
,Critical level - Correct answers✔✔an elevation mark on a vacuum breaker setting the minimum
elevation the device can be installed above the flood level rim of a fixture.
cross connection - Correct answers✔✔an actual or potential tie between potable water and any
source of pollution or contamination.
Developed Length - Correct answers✔✔a measurement of piping taken along the centerline of
pipe and fittings.
drain - Correct answers✔✔any pipe that conveys wastewater in the drainage system.
flood level rim - Correct answers✔✔the upper rim of a fixture where water will overflow.
indirect waste - Correct answers✔✔a waste pipe that drains through an air gap to the drainage
system.
individual vent - Correct answers✔✔a pipe installed to vent one fixture trap and it may connect
to the vent system above the fixture or terminate in the open air.
main - Correct answers✔✔the primary or principal pipe to which branches are connected.
Potable water - Correct answers✔✔water that is sufficiently free of impurities to meet public
health standards.
rough-in - Correct answers✔✔a part of the plumbing system installed prior to the installation of
fixtures.
, Soil pipe - Correct answers✔✔drain pipe conveying sewage containing fecal matter.
stack vent - Correct answers✔✔the extension of a soil or waste stack above the highest fixture
served.
trap - Correct answers✔✔a device that provides a water seal to prevent the passage of sewer gas
and allow the passage of waste.
trap seal - Correct answers✔✔the distance from the weir to the top of the dip of the trap.
RP - Correct answers✔✔a backflow preventer that allows air to a vacuum being pulled in a
system.
vacuum breaker - Correct answers✔✔A backflow preventer that allows air to a vacuum being
pulled in a system.
vertical pipe - Correct answers✔✔A pipe that makes an angle of 45 degrees or more with the
horizontal.
Air makeup - Correct answers✔✔Air provided to replace exhausted air.
alteration - Correct answers✔✔A change involving extension, addition or change to
arrangement, type or purpose of installation.
BTU - Correct answers✔✔Heat required to raise 1 pound of water 1°F.
