Maine Journeyman Plumbing Test STUDY
GUIDE 2026 COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED PASS
<RECENT VERSION>
1. Elongated Toilets are for Residential or Commercial? - ANSWER ✔
Commercial
2. Round Toilets are for Residential or Commercial? - ANSWER ✔
Residential
3. Two Flushing Ways for Toilet - ANSWER ✔ Siphon Jet (Residential),
Blowout (Commercial)
4. Distance Req. Center of Toilet to back wall - ANSWER ✔ 12" (10" to 14"
special orders)
5. Pop-up Lavatory: Res. or Comm.? - ANSWER ✔ Residential
6. Grid Strainer Lavatory: Res or Comm.? - ANSWER ✔ Commercial
7. Lavatory Faucets of 3 hole designs necessary inch spread? - ANSWER ✔ 4"
spread of two outside holes
,8. Size drain of Urinals - ANSWER ✔ 2"
9. Water Connection size of Urinal? - ANSWER ✔ 3/4" Spud (1 1/4" also
available)
10.Bathtub size - ANSWER ✔ 60" L x 30" W
11.Tub Drain Size - ANSWER ✔ 1 1/2"
12.Shower drain size - ANSWER ✔ 2"
13.Combination Tub and Shower - ANSWER ✔ 1 1/2"
14.Non-handicap Shower Size Requirement - ANSWER ✔ 900 square inches
or 30x30
15.Kitchen Sink drain size - ANSWER ✔ 1 1/2"
16.Lavatory Drain Size - ANSWER ✔ 1 1/4"
17.When Plumbing code conflicts with mechanical code, which shall prevail? -
ANSWER ✔ Plumbing code
,18.It is the duty of whom to notify the AHJ of work ready for inspection? -
ANSWER ✔ The person doing the work
19.What is AHJ? - ANSWER ✔ Authority Having Jurisdiction
20.How much notice must you give the AHJ prior to inspection? - ANSWER ✔
24 Hours
21.hot water for public use lavatories shall be limited to what temp:
A) 105
B) 120
C)115
D)110 - ANSWER ✔ 120 F
22.Is the plumbing code minimum or maximum standards? - ANSWER ✔
Minimum requirements and standards
23.What is considered a bathroom? - ANSWER ✔ A room with a shower or
bathtub
24.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 - ANSWER ✔ Building drain
25.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 - ANSWER ✔ Continuous vent
26.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 - ANSWER ✔ Combination Waste and vent system
27.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 - ANSWER ✔ Yoke vent
28.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?
GUIDE 2026 COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED PASS
<RECENT VERSION>
1. Elongated Toilets are for Residential or Commercial? - ANSWER ✔
Commercial
2. Round Toilets are for Residential or Commercial? - ANSWER ✔
Residential
3. Two Flushing Ways for Toilet - ANSWER ✔ Siphon Jet (Residential),
Blowout (Commercial)
4. Distance Req. Center of Toilet to back wall - ANSWER ✔ 12" (10" to 14"
special orders)
5. Pop-up Lavatory: Res. or Comm.? - ANSWER ✔ Residential
6. Grid Strainer Lavatory: Res or Comm.? - ANSWER ✔ Commercial
7. Lavatory Faucets of 3 hole designs necessary inch spread? - ANSWER ✔ 4"
spread of two outside holes
,8. Size drain of Urinals - ANSWER ✔ 2"
9. Water Connection size of Urinal? - ANSWER ✔ 3/4" Spud (1 1/4" also
available)
10.Bathtub size - ANSWER ✔ 60" L x 30" W
11.Tub Drain Size - ANSWER ✔ 1 1/2"
12.Shower drain size - ANSWER ✔ 2"
13.Combination Tub and Shower - ANSWER ✔ 1 1/2"
14.Non-handicap Shower Size Requirement - ANSWER ✔ 900 square inches
or 30x30
15.Kitchen Sink drain size - ANSWER ✔ 1 1/2"
16.Lavatory Drain Size - ANSWER ✔ 1 1/4"
17.When Plumbing code conflicts with mechanical code, which shall prevail? -
ANSWER ✔ Plumbing code
,18.It is the duty of whom to notify the AHJ of work ready for inspection? -
ANSWER ✔ The person doing the work
19.What is AHJ? - ANSWER ✔ Authority Having Jurisdiction
20.How much notice must you give the AHJ prior to inspection? - ANSWER ✔
24 Hours
21.hot water for public use lavatories shall be limited to what temp:
A) 105
B) 120
C)115
D)110 - ANSWER ✔ 120 F
22.Is the plumbing code minimum or maximum standards? - ANSWER ✔
Minimum requirements and standards
23.What is considered a bathroom? - ANSWER ✔ A room with a shower or
bathtub
24.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 - ANSWER ✔ Building drain
25.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 - ANSWER ✔ Continuous vent
26.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 - ANSWER ✔ Combination Waste and vent system
27.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 - ANSWER ✔ Yoke vent
28.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?
