Rhode Island Journeyman Plumber Exam
Questions with 100% correct verified
detailed Answers latest update 2025
Integrally installed air gap or backflow preventer --- correct precise
answers ---Backflow for an automatic clothes washer is prevented by:
Air Break --- correct precise answers ---Waste from an automatic clothes
washer discharges through an
Air Gap or Backflow Preventer --- correct precise answers ---Water
connection to a bidet protected by an
Air Gap or Backflow Preventer --- correct precise answers ---Water
connection to a dishwasher is protected by an
4" --- correct precise answers ---Roof drains shall have strainers extending
above the roof a minimum of:
There are 15 or less employees --- correct precise answers ---Separate toilet
facilities are not required when
,1/4" --- correct precise answers ---Minimum pitch for 2 1/2" piping and
smaller is:
1 1/2" --- correct precise answers ---Minimum size wet vent piping is:
1/2" OD --- correct precise answers ---What is the minimum supply tube to
a one-piece toilet?
Conductor --- correct precise answers ---What is the line in the building
that carries water from the roof to the sewer called?
1 1/2" --- correct precise answers ---What is the minimum size outlet for a
shower in RI?
18" and 42" --- correct precise answers ---What is the minimum and
maximum length of a waste stack to a trap weir?
A pressure reducing backflow preventer --- correct precise answers ---What
must be installed before connecting and irrigation system to a potable water
supply?
Always follow the manufacturers instructions --- correct precise answers --
-Can combustible liquids that condense be allowed down the public sewer?
, It should be sized to the outlet of the food waste grinder --- correct precise
answers ---How should a grease trap be sized when hooking it up to a
commercial food waste grinder?
4.5' underground --- correct precise answers ---Water pipe should be buried
____________ feet underground.
10' and 2' --- correct precise answers ---A vent which extrudes out the side
of a building should be at least _______ and ______ away from doors and
windows.
110 Degrees --- correct precise answers ---In RI hot water is _________
degrees.
21" --- correct precise answers ---There should be a clearance of _________
inches in front of a water closet.
Length --- correct precise answers ---A vent size should be determined by
its ________________?
Prohibited --- correct precise answers ---A vent from a bed-pan washer is
__________ from being connected to a local vent.
Questions with 100% correct verified
detailed Answers latest update 2025
Integrally installed air gap or backflow preventer --- correct precise
answers ---Backflow for an automatic clothes washer is prevented by:
Air Break --- correct precise answers ---Waste from an automatic clothes
washer discharges through an
Air Gap or Backflow Preventer --- correct precise answers ---Water
connection to a bidet protected by an
Air Gap or Backflow Preventer --- correct precise answers ---Water
connection to a dishwasher is protected by an
4" --- correct precise answers ---Roof drains shall have strainers extending
above the roof a minimum of:
There are 15 or less employees --- correct precise answers ---Separate toilet
facilities are not required when
,1/4" --- correct precise answers ---Minimum pitch for 2 1/2" piping and
smaller is:
1 1/2" --- correct precise answers ---Minimum size wet vent piping is:
1/2" OD --- correct precise answers ---What is the minimum supply tube to
a one-piece toilet?
Conductor --- correct precise answers ---What is the line in the building
that carries water from the roof to the sewer called?
1 1/2" --- correct precise answers ---What is the minimum size outlet for a
shower in RI?
18" and 42" --- correct precise answers ---What is the minimum and
maximum length of a waste stack to a trap weir?
A pressure reducing backflow preventer --- correct precise answers ---What
must be installed before connecting and irrigation system to a potable water
supply?
Always follow the manufacturers instructions --- correct precise answers --
-Can combustible liquids that condense be allowed down the public sewer?
, It should be sized to the outlet of the food waste grinder --- correct precise
answers ---How should a grease trap be sized when hooking it up to a
commercial food waste grinder?
4.5' underground --- correct precise answers ---Water pipe should be buried
____________ feet underground.
10' and 2' --- correct precise answers ---A vent which extrudes out the side
of a building should be at least _______ and ______ away from doors and
windows.
110 Degrees --- correct precise answers ---In RI hot water is _________
degrees.
21" --- correct precise answers ---There should be a clearance of _________
inches in front of a water closet.
Length --- correct precise answers ---A vent size should be determined by
its ________________?
Prohibited --- correct precise answers ---A vent from a bed-pan washer is
__________ from being connected to a local vent.
