Maine Journeyman Plumbing Exam 2025/2026:
Comprehensive Questions & Solutions Grade A+
When Plumbing code conflicts with mechanical code, which shall prevail? - CORRECT
ANSWER✔✔✔,,Plumbing code
It is the duty of whom to notify the AHJ of work ready for inspection? - CORRECT
ANSWER✔✔✔,,The person doing the work
What is AHJ? - CORRECT ANSWER✔✔✔,,Authority Having Jurisdiction
How much notice must you give the AHJ prior to inspection? - CORRECT ANSWER✔✔✔,,24 Hours
hot water for public use lavatories shall be limited to what temp:
A) 105
B) 120
C)115
D)110 - CORRECT ANSWER✔✔✔,,120 F
Is the plumbing code minimum or maximum standards? - CORRECT ANSWER✔✔✔,,Minimum
requirements and standards
What is considered a bathroom? - CORRECT ANSWER✔✔✔,,A room with a shower or bathtub
that part of the lowest horizontal piping of a drainage system which receives the discharge from soil,
waste and other drainage pipes inside the walls of the building and conveys it to the building sewer
A) Building subdrain
B)soil stack
C)Building Sewer
,D)Building drain - CORRECT ANSWER✔✔✔,,Building drain
A vertical vent that is a continuation of the drain to which it connects
A) Continuous vent
B) Yoke Vent
C) Up Vent
D) Standard Vent - CORRECT ANSWER✔✔✔,,Continuous vent
a specially designed system of waste piping embodying the horizontal wet venting of one or more
sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free
movement of air above the flow line of the drain
A) Combination Waste and Vent system
B) Drain air system
C) Oversized drain
D) Flat Drain - CORRECT ANSWER✔✔✔,,Combination Waste and vent system
Where parallel vertical stacks are installed, the connection for the soil stacks shall be via:
A) Backflow tee
B) Typical Wye
C) Drain Tee
D) Yoke Vent - CORRECT ANSWER✔✔✔,,Yoke vent
You are looking at a 16 foot long cylinder that is 4 feet wide. If it is entirely full, how much water is in
the cylinder?
A) 200.96
B)256
C) 300 - CORRECT ANSWER✔✔✔,,200.96
Volume is (Pie X R^2)xHeight
(3.14x2^2) X 16 =200.96
The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that?
, A) 1503
B) 1600
C) 1000
D) 1263.72 - CORRECT ANSWER✔✔✔,,7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length - CORRECT ANSWER✔✔✔,,The length along the center of the pipe and fitting
Vertical pipe - CORRECT ANSWER✔✔✔,,any pipe or fitting installed in a vertical position or which
forms an angle of not more than 45 degrees with the vertical line
potable water - CORRECT ANSWER✔✔✔,,water that is safe to drink, use in culinary and domestic
purposes
a stack is - CORRECT ANSWER✔✔✔,,a vertical pipe
branch - CORRECT ANSWER✔✔✔,,Horizontal pipe
parts of a trap - CORRECT ANSWER✔✔✔,,
Yoke vent - CORRECT ANSWER✔✔✔,,A pipe connecting upward from a soil or waste stack to a vent
stack for the purpose of preventing pressure changes in the stack
PEX Pipe - CORRECT ANSWER✔✔✔,,Polyethylene cross link
Wet Vent - CORRECT ANSWER✔✔✔,,A vent which also serves as a drain
invert - CORRECT ANSWER✔✔✔,,The lowest point of the inside of a drain, pipe, channel, or other
liquid-carrying conduit.
Comprehensive Questions & Solutions Grade A+
When Plumbing code conflicts with mechanical code, which shall prevail? - CORRECT
ANSWER✔✔✔,,Plumbing code
It is the duty of whom to notify the AHJ of work ready for inspection? - CORRECT
ANSWER✔✔✔,,The person doing the work
What is AHJ? - CORRECT ANSWER✔✔✔,,Authority Having Jurisdiction
How much notice must you give the AHJ prior to inspection? - CORRECT ANSWER✔✔✔,,24 Hours
hot water for public use lavatories shall be limited to what temp:
A) 105
B) 120
C)115
D)110 - CORRECT ANSWER✔✔✔,,120 F
Is the plumbing code minimum or maximum standards? - CORRECT ANSWER✔✔✔,,Minimum
requirements and standards
What is considered a bathroom? - CORRECT ANSWER✔✔✔,,A room with a shower or bathtub
that part of the lowest horizontal piping of a drainage system which receives the discharge from soil,
waste and other drainage pipes inside the walls of the building and conveys it to the building sewer
A) Building subdrain
B)soil stack
C)Building Sewer
,D)Building drain - CORRECT ANSWER✔✔✔,,Building drain
A vertical vent that is a continuation of the drain to which it connects
A) Continuous vent
B) Yoke Vent
C) Up Vent
D) Standard Vent - CORRECT ANSWER✔✔✔,,Continuous vent
a specially designed system of waste piping embodying the horizontal wet venting of one or more
sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free
movement of air above the flow line of the drain
A) Combination Waste and Vent system
B) Drain air system
C) Oversized drain
D) Flat Drain - CORRECT ANSWER✔✔✔,,Combination Waste and vent system
Where parallel vertical stacks are installed, the connection for the soil stacks shall be via:
A) Backflow tee
B) Typical Wye
C) Drain Tee
D) Yoke Vent - CORRECT ANSWER✔✔✔,,Yoke vent
You are looking at a 16 foot long cylinder that is 4 feet wide. If it is entirely full, how much water is in
the cylinder?
A) 200.96
B)256
C) 300 - CORRECT ANSWER✔✔✔,,200.96
Volume is (Pie X R^2)xHeight
(3.14x2^2) X 16 =200.96
The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that?
, A) 1503
B) 1600
C) 1000
D) 1263.72 - CORRECT ANSWER✔✔✔,,7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length - CORRECT ANSWER✔✔✔,,The length along the center of the pipe and fitting
Vertical pipe - CORRECT ANSWER✔✔✔,,any pipe or fitting installed in a vertical position or which
forms an angle of not more than 45 degrees with the vertical line
potable water - CORRECT ANSWER✔✔✔,,water that is safe to drink, use in culinary and domestic
purposes
a stack is - CORRECT ANSWER✔✔✔,,a vertical pipe
branch - CORRECT ANSWER✔✔✔,,Horizontal pipe
parts of a trap - CORRECT ANSWER✔✔✔,,
Yoke vent - CORRECT ANSWER✔✔✔,,A pipe connecting upward from a soil or waste stack to a vent
stack for the purpose of preventing pressure changes in the stack
PEX Pipe - CORRECT ANSWER✔✔✔,,Polyethylene cross link
Wet Vent - CORRECT ANSWER✔✔✔,,A vent which also serves as a drain
invert - CORRECT ANSWER✔✔✔,,The lowest point of the inside of a drain, pipe, channel, or other
liquid-carrying conduit.
