3/20/26, 1:53 PM Massachusetts Plumbers Journeyman Exam Questions and Answers (Verified Answers) Updated (Actual Exam) 2025\2026 LATES…
Massachusetts Plumbers Journeyman Exam
Questions and Answers (Verified Answers)
Updated (Actual Exam) 2025\2026 LATEST
VERSION!!
Save
Terms in this set (284)
Existing Work A plumbing system or any part thereof installed
prior to March 11, 2005.
Soil Pipe Any pipe that conveys the discharge of toilets,
urinals or fixtures having similar functions to the
building drain or building sewer. The discharge may
be conveyed with or without the discharge from
other fixtures
Water Distribution Pipe A pipe within the building or on the premises that
conveys water from the water service pipe to the
point of usage
Barometric Loop. A vertical loop of pipe, rising to a height sufficient
to prevent back-siphonage from occurring in the
potable water supply pipe. (Approximately 35 feet,
depending on the weight of the atmosphere.)
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Developed Length The length of a pipeline as measured along the
center line of the pipe or fittings.
Roughing-in. The installation of all parts of the plumbing system
that can be completed prior to the installation of
fixtures. This includes drainage piping, water supply
piping, vent piping, the necessary fixture supports,
and any fixtures that are built into the building.
Trap Seal The vertical distance between the crown weir and
the top of the dip of the trap.
Air Gap (Drainage System). The unobstructed vertical distance through the
free atmosphere between the outlet of a waste
pipe and the flood level rim of the receptacle into
which the waste discharges.
Air
Fixture Unit. A unit of liquid flow used in sizing both supply and
drainage pipes. It is equal to 1 cubic foot per
minute or approximately 7.5 gallons per minute.
Liquid Waste Discharge from any fixture, appliance, area or
appurtenance that does not contain human or
animal waste matter suspended in a solution.
Vacuum Any pressure less than that exerted by the
atmosphere
Branch Interval A distance along a soil or waste stack
corresponding in general to a story height, but not
less than eight feet in vertical height, and wherein
the horizontal branches from one floor or story of
a building are connected to the stack
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Testing water supply shall be at a 125 PSI
pressure no less than?
Storm or Sanitary drains shall be a slope that produces a computed velocity of
installed at a slope that: discharge of not less than two feet per second.
Horizontal drainage piping which is ¼ inch per foot
(3) three inches in diameter or
smaller shall be installed with a
minimum uniform pitch
Horizontal drainage piping which is 1/8 inch per foot
larger than three inches in diameter
shall be installed with a minimum
uniform pitch of
Special Labs. All licensed plumbers shall have the surface of their body and clothing
and plumbing apprentices installing protected by disposable or washable gowns
pipe connections or working on similar or equal to the gowns, gloves and face
drains to hospital waste and vent masks worn by surgical staff.
systems, mortuary waste and vent
systems, laboratory waste and vent
systems, dental waste and vent
systems and plumbing systems in
radioactive sensitive areas
Whenever there is reason to believe test and/or inspection, and any defects found shall
that the plumbing system of any be corrected as required in writing by the
building has become defective, it Inspector
shall be subjected
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Waste and Vent shall be tested for? until there is a uniform gauge pressure of five
P.S.I.G. or sufficient pressure to balance a column
of mercury ten inches in height. This pressure shall
be held without introduction of additional air for a
period of at least 15 minutes. The gauge used for
this test shall be calibrated in increments no
greater than 1/10 of a pound. c
Upon completion of a section or of 125 pounds per square inch
the entire water supply system when
roughed, it shall be tested and
proved tight under a pressure not
less than
Upon notice of a request for an two working days after receipt of such notice
Inspection of the rough plumbing,
the Inspector shall make the
Inspection within
Two acceptable tests for Drain and Peppermint Test and Air Test
Waste
Quarter bends, or their equivalent horizontal to the vertical.
may be used in soil and waste lines
when the change in the direction of
the flow is from the
Short sweep fittings may be used in a one outlet and cleanouts are provided.
branch waste line when the waste
line serves only
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Massachusetts Plumbers Journeyman Exam
Questions and Answers (Verified Answers)
Updated (Actual Exam) 2025\2026 LATEST
VERSION!!
Save
Terms in this set (284)
Existing Work A plumbing system or any part thereof installed
prior to March 11, 2005.
Soil Pipe Any pipe that conveys the discharge of toilets,
urinals or fixtures having similar functions to the
building drain or building sewer. The discharge may
be conveyed with or without the discharge from
other fixtures
Water Distribution Pipe A pipe within the building or on the premises that
conveys water from the water service pipe to the
point of usage
Barometric Loop. A vertical loop of pipe, rising to a height sufficient
to prevent back-siphonage from occurring in the
potable water supply pipe. (Approximately 35 feet,
depending on the weight of the atmosphere.)
https://quizlet.com/1158287312/massachusetts-plumbers-journeyman-exam-questions-and-answers-verified-answers-updated-actual-exam-2025202… 1/41
,3/20/26, 1:53 PM Massachusetts Plumbers Journeyman Exam Questions and Answers (Verified Answers) Updated (Actual Exam) 2025\2026 LATES…
Developed Length The length of a pipeline as measured along the
center line of the pipe or fittings.
Roughing-in. The installation of all parts of the plumbing system
that can be completed prior to the installation of
fixtures. This includes drainage piping, water supply
piping, vent piping, the necessary fixture supports,
and any fixtures that are built into the building.
Trap Seal The vertical distance between the crown weir and
the top of the dip of the trap.
Air Gap (Drainage System). The unobstructed vertical distance through the
free atmosphere between the outlet of a waste
pipe and the flood level rim of the receptacle into
which the waste discharges.
Air
Fixture Unit. A unit of liquid flow used in sizing both supply and
drainage pipes. It is equal to 1 cubic foot per
minute or approximately 7.5 gallons per minute.
Liquid Waste Discharge from any fixture, appliance, area or
appurtenance that does not contain human or
animal waste matter suspended in a solution.
Vacuum Any pressure less than that exerted by the
atmosphere
Branch Interval A distance along a soil or waste stack
corresponding in general to a story height, but not
less than eight feet in vertical height, and wherein
the horizontal branches from one floor or story of
a building are connected to the stack
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,3/20/26, 1:53 PM Massachusetts Plumbers Journeyman Exam Questions and Answers (Verified Answers) Updated (Actual Exam) 2025\2026 LATES…
Testing water supply shall be at a 125 PSI
pressure no less than?
Storm or Sanitary drains shall be a slope that produces a computed velocity of
installed at a slope that: discharge of not less than two feet per second.
Horizontal drainage piping which is ¼ inch per foot
(3) three inches in diameter or
smaller shall be installed with a
minimum uniform pitch
Horizontal drainage piping which is 1/8 inch per foot
larger than three inches in diameter
shall be installed with a minimum
uniform pitch of
Special Labs. All licensed plumbers shall have the surface of their body and clothing
and plumbing apprentices installing protected by disposable or washable gowns
pipe connections or working on similar or equal to the gowns, gloves and face
drains to hospital waste and vent masks worn by surgical staff.
systems, mortuary waste and vent
systems, laboratory waste and vent
systems, dental waste and vent
systems and plumbing systems in
radioactive sensitive areas
Whenever there is reason to believe test and/or inspection, and any defects found shall
that the plumbing system of any be corrected as required in writing by the
building has become defective, it Inspector
shall be subjected
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, 3/20/26, 1:53 PM Massachusetts Plumbers Journeyman Exam Questions and Answers (Verified Answers) Updated (Actual Exam) 2025\2026 LATES…
Waste and Vent shall be tested for? until there is a uniform gauge pressure of five
P.S.I.G. or sufficient pressure to balance a column
of mercury ten inches in height. This pressure shall
be held without introduction of additional air for a
period of at least 15 minutes. The gauge used for
this test shall be calibrated in increments no
greater than 1/10 of a pound. c
Upon completion of a section or of 125 pounds per square inch
the entire water supply system when
roughed, it shall be tested and
proved tight under a pressure not
less than
Upon notice of a request for an two working days after receipt of such notice
Inspection of the rough plumbing,
the Inspector shall make the
Inspection within
Two acceptable tests for Drain and Peppermint Test and Air Test
Waste
Quarter bends, or their equivalent horizontal to the vertical.
may be used in soil and waste lines
when the change in the direction of
the flow is from the
Short sweep fittings may be used in a one outlet and cleanouts are provided.
branch waste line when the waste
line serves only
https://quizlet.com/1158287312/massachusetts-plumbers-journeyman-exam-questions-and-answers-verified-answers-updated-actual-exam-2025202… 4/41
