RHODE ISLAND JOURNEYMAN PLUMBER EXAM
EXAMINATION TEST 2026 COMPLETE
QUESTIONS AND ANSWERS GRADED A+
◉ Soil Pipe. Answer: 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. Answer: A pipe within the building or on
the premises that conveys water from the water service pipe to the
point of usage
◉ Barometric Loop.. Answer: 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. Answer: The length of a pipeline as measured
along the center line of the pipe or fittings.
◉ Roughing-in.. Answer: 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. Answer: The vertical distance between the crown weir
and the top of the dip of the trap.
◉ Air Gap (Drainage System).. Answer: 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.. Answer: 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. Answer: Discharge from any fixture, appliance, area
or appurtenance that does not contain human or animal waste
matter suspended in a solution.
◉ Vacuum. Answer: Any pressure less than that exerted by the
atmosphere
◉ Branch Interval. Answer: 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?. Answer:
125 PSI
◉ Storm or Sanitary drains shall be installed at a slope that:.
Answer: 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 diameter
or smaller shall be installed with a minimum uniform pitch. Answer:
¼ inch per foot
◉ Horizontal drainage piping which is larger than three inches in
diameter shall be installed with a minimum uniform pitch of.
Answer: 1/8 inch per foot
◉ Special Labs. All licensed plumbers and plumbing apprentices
installing pipe connections or working on drains to hospital waste
and vent systems, mortuary waste and vent systems, laboratory
waste and vent systems, dental waste and vent systems and
plumbing systems in radioactive sensitive areas. Answer: shall have
the surface of their body and clothing protected by disposable or
washable gowns similar or equal to the gowns, gloves and face
masks worn by surgical staff.
, ◉ Whenever there is reason to believe that the plumbing system of
any building has become defective, it shall be subjected. Answer: test
and/or inspection, and any defects found shall be corrected as
required in writing by the Inspector
◉ Waste and Vent shall be tested for?. Answer: 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 supply system
when roughed, it shall be tested and proved tight under a pressure
not less than. Answer: 125 pounds per square inch
◉ Upon notice of a request for an Inspection of the rough plumbing,
the Inspector shall make the Inspection within. Answer: two
working days after receipt of such notice
◉ Two acceptable tests for Drain and Waste. Answer: Peppermint
Test and Air Test
EXAMINATION TEST 2026 COMPLETE
QUESTIONS AND ANSWERS GRADED A+
◉ Soil Pipe. Answer: 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. Answer: A pipe within the building or on
the premises that conveys water from the water service pipe to the
point of usage
◉ Barometric Loop.. Answer: 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. Answer: The length of a pipeline as measured
along the center line of the pipe or fittings.
◉ Roughing-in.. Answer: 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. Answer: The vertical distance between the crown weir
and the top of the dip of the trap.
◉ Air Gap (Drainage System).. Answer: 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.. Answer: 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. Answer: Discharge from any fixture, appliance, area
or appurtenance that does not contain human or animal waste
matter suspended in a solution.
◉ Vacuum. Answer: Any pressure less than that exerted by the
atmosphere
◉ Branch Interval. Answer: 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?. Answer:
125 PSI
◉ Storm or Sanitary drains shall be installed at a slope that:.
Answer: 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 diameter
or smaller shall be installed with a minimum uniform pitch. Answer:
¼ inch per foot
◉ Horizontal drainage piping which is larger than three inches in
diameter shall be installed with a minimum uniform pitch of.
Answer: 1/8 inch per foot
◉ Special Labs. All licensed plumbers and plumbing apprentices
installing pipe connections or working on drains to hospital waste
and vent systems, mortuary waste and vent systems, laboratory
waste and vent systems, dental waste and vent systems and
plumbing systems in radioactive sensitive areas. Answer: shall have
the surface of their body and clothing protected by disposable or
washable gowns similar or equal to the gowns, gloves and face
masks worn by surgical staff.
, ◉ Whenever there is reason to believe that the plumbing system of
any building has become defective, it shall be subjected. Answer: test
and/or inspection, and any defects found shall be corrected as
required in writing by the Inspector
◉ Waste and Vent shall be tested for?. Answer: 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 supply system
when roughed, it shall be tested and proved tight under a pressure
not less than. Answer: 125 pounds per square inch
◉ Upon notice of a request for an Inspection of the rough plumbing,
the Inspector shall make the Inspection within. Answer: two
working days after receipt of such notice
◉ Two acceptable tests for Drain and Waste. Answer: Peppermint
Test and Air Test
