Journeyman's Exam 2026 | Latest Update | Questions &
Answers | Graded A+
1. If a building's drainage pipes are installed at a depth shallower than the code
specifies, what potential issues might arise?
The installation will be faster and cheaper.
Potential issues include freezing of pipes and improper drainage.
The pipes will be easier to access for maintenance.
There will be no issues if the pipes are made of PVC.
2. The Authority Having Jurisdiction shall be notified that work is ready for
inspection not less than ___ hours before the work is to be inspected.
48
72
24
12
3. What is the minimum depth requirement for a caulked-on closet flange
according to plumbing codes?
3/8 inch
1/4 inch
1/2 inch
1 inch
4. What are some examples of prohibited fittings in plumbing?
Compression fittings, unions, ball valves, and check valves.
, P-traps, vent pipes, hose bibbs, and sink drains.
Bell reducers, cross fittings, threaded fittings in drainage systems,
and saddle fittings.
Elbow fittings, T-joints, PVC couplings, and cleanouts.
5. If a plumbing inspector finds brass tubing traps installed on multiple urinals in
a building, what action should they take according to plumbing regulations?
Require the removal and replacement of the traps with compliant
options.
Suggest adding more urinals to balance the installation.
Allow the traps to remain if they are functioning properly.
Issue a warning without further action.
6. All interceptors must:
Be placed aboveground
Be properly vented
None of the above
All of the above
7. Describe the importance of proper placement of the shower valve in relation
to the shower head.
The shower valve must be located outside the shower area for safety
reasons.
The shower valve must be placed within easy reach of the user to
ensure safe and convenient temperature control.
The shower valve can be placed anywhere as long as it is connected
to the plumbing system.
, The shower valve should be installed at the same height as the shower
head for aesthetic purposes.
8. What is the primary function of electric immersion elements in an electric
water heater?
To heat water
To filter water
To circulate water
To store water
9. What type of seats are required for water closets used in public facilities?
Closed front seats
Open front seats
Wooden seats
Plastic seats
10. Who is responsible for notifying the authority having jurisdiction when
plumbing work is ready for inspections?
The plumber or contractor
The building inspector
The local government
The homeowner
11. Siphon jet type urinals are designed and required by most code to flush with
_____ gallon(s) of water or less.
One
, 2-1⁄2
1-1⁄2
Two
12. In a residential renovation where the bathroom is located below the main
sewer line, which system would be more appropriate to install, and why?
A sewage pump system, because it requires less maintenance.
A macerating toilet system, because it is less expensive to install than
a sewage pump system.
A sewage pump system, because it is more efficient for all types of
waste.
A macerating toilet system, because it can pump waste through
smaller pipes without needing to elevate it significantly.
13. What is the maximum number of traps allowed on a trap arm according to
plumbing codes?
One trap
Three traps
Two traps
No traps
14. No water closet or bidet shall be set closer than ___ inches from the center to
any side wall or obstruction.
15
18
24
Answers | Graded A+
1. If a building's drainage pipes are installed at a depth shallower than the code
specifies, what potential issues might arise?
The installation will be faster and cheaper.
Potential issues include freezing of pipes and improper drainage.
The pipes will be easier to access for maintenance.
There will be no issues if the pipes are made of PVC.
2. The Authority Having Jurisdiction shall be notified that work is ready for
inspection not less than ___ hours before the work is to be inspected.
48
72
24
12
3. What is the minimum depth requirement for a caulked-on closet flange
according to plumbing codes?
3/8 inch
1/4 inch
1/2 inch
1 inch
4. What are some examples of prohibited fittings in plumbing?
Compression fittings, unions, ball valves, and check valves.
, P-traps, vent pipes, hose bibbs, and sink drains.
Bell reducers, cross fittings, threaded fittings in drainage systems,
and saddle fittings.
Elbow fittings, T-joints, PVC couplings, and cleanouts.
5. If a plumbing inspector finds brass tubing traps installed on multiple urinals in
a building, what action should they take according to plumbing regulations?
Require the removal and replacement of the traps with compliant
options.
Suggest adding more urinals to balance the installation.
Allow the traps to remain if they are functioning properly.
Issue a warning without further action.
6. All interceptors must:
Be placed aboveground
Be properly vented
None of the above
All of the above
7. Describe the importance of proper placement of the shower valve in relation
to the shower head.
The shower valve must be located outside the shower area for safety
reasons.
The shower valve must be placed within easy reach of the user to
ensure safe and convenient temperature control.
The shower valve can be placed anywhere as long as it is connected
to the plumbing system.
, The shower valve should be installed at the same height as the shower
head for aesthetic purposes.
8. What is the primary function of electric immersion elements in an electric
water heater?
To heat water
To filter water
To circulate water
To store water
9. What type of seats are required for water closets used in public facilities?
Closed front seats
Open front seats
Wooden seats
Plastic seats
10. Who is responsible for notifying the authority having jurisdiction when
plumbing work is ready for inspections?
The plumber or contractor
The building inspector
The local government
The homeowner
11. Siphon jet type urinals are designed and required by most code to flush with
_____ gallon(s) of water or less.
One
, 2-1⁄2
1-1⁄2
Two
12. In a residential renovation where the bathroom is located below the main
sewer line, which system would be more appropriate to install, and why?
A sewage pump system, because it requires less maintenance.
A macerating toilet system, because it is less expensive to install than
a sewage pump system.
A sewage pump system, because it is more efficient for all types of
waste.
A macerating toilet system, because it can pump waste through
smaller pipes without needing to elevate it significantly.
13. What is the maximum number of traps allowed on a trap arm according to
plumbing codes?
One trap
Three traps
Two traps
No traps
14. No water closet or bidet shall be set closer than ___ inches from the center to
any side wall or obstruction.
15
18
24
