2/14/26, 11:20 AM Massachusetts Plumbers Journeyman Exam Flashcards | Quizlet
Massachusetts Plumbers Journeyman Exam
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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.)
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.
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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
Testing water supply shall be at a pressure no less than? 125 PSI
Storm or Sanitary drains shall be installed at a slope that: a slope that produces a computed velocity of discharge of not less than two feet
per second.
Horizontal drainage piping which is (3) three inches in ¼ inch per foot
diameter or smaller shall be installed with a minimum
uniform pitch
Horizontal drainage piping which is larger than three 1/8 inch per foot
inches in diameter shall be installed with a minimum
uniform pitch of
Special Labs. All licensed plumbers and plumbing shall have the surface of their body and clothing protected by disposable or
apprentices installing pipe connections or working on washable gowns similar or equal to the gowns, gloves and face masks worn by
drains to hospital waste and vent systems, mortuary surgical staff.
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 that the plumbing test and/or inspection, and any defects found shall be corrected as required in
system of any building has become defective, it shall be writing by the Inspector
subjected
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 the entire water 125 pounds per square inch
supply system when roughed, it shall be tested and
proved tight under a pressure not less than
Upon notice of a request for an Inspection of the rough two working days after receipt of such notice
plumbing, the Inspector shall make the Inspection within
Two acceptable tests for Drain and Waste Peppermint Test and Air Test
Quarter bends, or their equivalent may be used in soil horizontal to the vertical.
and waste lines when the change in the direction of the
flow is from the
https://quizlet.com/1143809856/massachusetts-plumbers-journeyman-exam-flash-cards/?new 2/8
Massachusetts Plumbers Journeyman Exam
Save
Students also studied
Dell Client Foundations Study Guide... Iowa Core Manual and Category 3O... Dell Client Foundations Assessment ... Iowa 3O
62 terms 232 terms Teacher 40 terms 35 terms
Dustinjlee Preview alexis_stirling5 Preview Vazmin1 Preview sop
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.)
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.
https://quizlet.com/1143809856/massachusetts-plumbers-journeyman-exam-flash-cards/?new 1/8
, 2/14/26, 11:20 AM Massachusetts Plumbers Journeyman Exam Flashcards | Quizlet
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
Testing water supply shall be at a pressure no less than? 125 PSI
Storm or Sanitary drains shall be installed at a slope that: a slope that produces a computed velocity of discharge of not less than two feet
per second.
Horizontal drainage piping which is (3) three inches in ¼ inch per foot
diameter or smaller shall be installed with a minimum
uniform pitch
Horizontal drainage piping which is larger than three 1/8 inch per foot
inches in diameter shall be installed with a minimum
uniform pitch of
Special Labs. All licensed plumbers and plumbing shall have the surface of their body and clothing protected by disposable or
apprentices installing pipe connections or working on washable gowns similar or equal to the gowns, gloves and face masks worn by
drains to hospital waste and vent systems, mortuary surgical staff.
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 that the plumbing test and/or inspection, and any defects found shall be corrected as required in
system of any building has become defective, it shall be writing by the Inspector
subjected
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 the entire water 125 pounds per square inch
supply system when roughed, it shall be tested and
proved tight under a pressure not less than
Upon notice of a request for an Inspection of the rough two working days after receipt of such notice
plumbing, the Inspector shall make the Inspection within
Two acceptable tests for Drain and Waste Peppermint Test and Air Test
Quarter bends, or their equivalent may be used in soil horizontal to the vertical.
and waste lines when the change in the direction of the
flow is from the
https://quizlet.com/1143809856/massachusetts-plumbers-journeyman-exam-flash-cards/?new 2/8
