Journeyman and Master Plumbing Exam
Question Bank 2025/2026 Exam
Questions and Answers | A+ Score
Assured
What degree is used for isometric drawings? - 🧠 ANSWER ✔✔60 degrees
What is the recommended minimum of minutes for chlorine water
management? - 🧠 ANSWER ✔✔20-30 minutes
When you need to repair a single handle lavatory faucet, what needs to be
replaced? - 🧠 ANSWER ✔✔O ring
Galvanic corrosion of water supply piping can occur where - 🧠 ANSWER
✔✔steel pipe is joined to a dissimilar metal pipe
Whenever necessary to make an inspection to enforce any of the
provisions of the Code, an authorized representative may enter the
premises - 🧠 ANSWER ✔✔at all reasonable times
After completion of work and testing of sewer pipeline, who shall request
inspection? - 🧠 ANSWER ✔✔Supervisor of job at job-site
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,If the Administrative Authority requests that a new type of material be used
on a project, who pays for the testing of the new material? - 🧠 ANSWER
✔✔Contractor
When plumbing work is inspected and a "notice of correction" is served,
how many days does the contractor have to correct the work? - 🧠 ANSWER
✔✔Within 10 days
What is the vertical distance called that is between the lowest opening of a
pipe fixture or appurtenance that is discharging waste to the overflow level
of a fixture? - 🧠 ANSWER ✔✔Airgap, drainage
A cleanout which has direct access without the necessity of removing any
panel or door is defined to be - 🧠 ANSWER ✔✔readily accessible
Distribution of water from any other source than intended is - 🧠 ANSWER
✔✔backflow
Back-siphonage is defined as - 🧠 ANSWER ✔✔the flowing back of used,
contaminated or polluted water from a plumbing fixture or vessel into a
water supply pipe due to a negative pressure in such pipe
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,The _________________________ is the pipe which carries potable water
from a water meter to a building. - 🧠 ANSWER ✔✔building supply
Backflow is defined as - 🧠 ANSWER ✔✔non-potable water or other liquids
entering a potable water system
Any group of two or more similar adjacent fixtures that discharge into a
common horizontal waste branch is defined as a - 🧠 ANSWER ✔✔battery
Which of the following connects one or more individual vents to a vent
stack? - 🧠 ANSWER ✔✔Branch vent
A combination waste and vent system may be installed on a
_______________________ piping system. - 🧠 ANSWER ✔✔horizontal
The minimum level at which a vacuum breaker may be installed above the
flood level rim of the device and service is called - 🧠 ANSWER ✔✔the
critical level
The "the critical level" is shown on a backflow prevention device by a
_______________ marking. - 🧠 ANSWER ✔✔C-L or C/L
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
3
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, When a backflow prevention device does not bear a "critical level" marking,
which part of the device constitutes the critical level? - 🧠 ANSWER
✔✔Bottom
What is the Critical Level on a backflow device? - 🧠 ANSWER ✔✔Bottom
According to the Uniform Plumbing Code, a "cross connection" is defined
as - 🧠 ANSWER ✔✔a connection through which non-potable water may
enter a potable water system.
What is the name for the measurement taken along the centerline of a pipe
and fittings? - 🧠 ANSWER ✔✔Developed length
"Existing work" is defined to be a plumbing system or any part thereof
which - 🧠 ANSWER ✔✔has been installed prior to the effective date of the
code.
A pipe which makes an angle of not more than 45 degrees with the
horizontal is considered - 🧠 ANSWER ✔✔horizontal
A horizontal pipe is any pipe or fitting which is installed in a horizontal
position or which makes an angle of less than _________ degrees with the
horizontal. - 🧠 ANSWER ✔✔45
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
4
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Question Bank 2025/2026 Exam
Questions and Answers | A+ Score
Assured
What degree is used for isometric drawings? - 🧠 ANSWER ✔✔60 degrees
What is the recommended minimum of minutes for chlorine water
management? - 🧠 ANSWER ✔✔20-30 minutes
When you need to repair a single handle lavatory faucet, what needs to be
replaced? - 🧠 ANSWER ✔✔O ring
Galvanic corrosion of water supply piping can occur where - 🧠 ANSWER
✔✔steel pipe is joined to a dissimilar metal pipe
Whenever necessary to make an inspection to enforce any of the
provisions of the Code, an authorized representative may enter the
premises - 🧠 ANSWER ✔✔at all reasonable times
After completion of work and testing of sewer pipeline, who shall request
inspection? - 🧠 ANSWER ✔✔Supervisor of job at job-site
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,If the Administrative Authority requests that a new type of material be used
on a project, who pays for the testing of the new material? - 🧠 ANSWER
✔✔Contractor
When plumbing work is inspected and a "notice of correction" is served,
how many days does the contractor have to correct the work? - 🧠 ANSWER
✔✔Within 10 days
What is the vertical distance called that is between the lowest opening of a
pipe fixture or appurtenance that is discharging waste to the overflow level
of a fixture? - 🧠 ANSWER ✔✔Airgap, drainage
A cleanout which has direct access without the necessity of removing any
panel or door is defined to be - 🧠 ANSWER ✔✔readily accessible
Distribution of water from any other source than intended is - 🧠 ANSWER
✔✔backflow
Back-siphonage is defined as - 🧠 ANSWER ✔✔the flowing back of used,
contaminated or polluted water from a plumbing fixture or vessel into a
water supply pipe due to a negative pressure in such pipe
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,The _________________________ is the pipe which carries potable water
from a water meter to a building. - 🧠 ANSWER ✔✔building supply
Backflow is defined as - 🧠 ANSWER ✔✔non-potable water or other liquids
entering a potable water system
Any group of two or more similar adjacent fixtures that discharge into a
common horizontal waste branch is defined as a - 🧠 ANSWER ✔✔battery
Which of the following connects one or more individual vents to a vent
stack? - 🧠 ANSWER ✔✔Branch vent
A combination waste and vent system may be installed on a
_______________________ piping system. - 🧠 ANSWER ✔✔horizontal
The minimum level at which a vacuum breaker may be installed above the
flood level rim of the device and service is called - 🧠 ANSWER ✔✔the
critical level
The "the critical level" is shown on a backflow prevention device by a
_______________ marking. - 🧠 ANSWER ✔✔C-L or C/L
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
3
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, When a backflow prevention device does not bear a "critical level" marking,
which part of the device constitutes the critical level? - 🧠 ANSWER
✔✔Bottom
What is the Critical Level on a backflow device? - 🧠 ANSWER ✔✔Bottom
According to the Uniform Plumbing Code, a "cross connection" is defined
as - 🧠 ANSWER ✔✔a connection through which non-potable water may
enter a potable water system.
What is the name for the measurement taken along the centerline of a pipe
and fittings? - 🧠 ANSWER ✔✔Developed length
"Existing work" is defined to be a plumbing system or any part thereof
which - 🧠 ANSWER ✔✔has been installed prior to the effective date of the
code.
A pipe which makes an angle of not more than 45 degrees with the
horizontal is considered - 🧠 ANSWER ✔✔horizontal
A horizontal pipe is any pipe or fitting which is installed in a horizontal
position or which makes an angle of less than _________ degrees with the
horizontal. - 🧠 ANSWER ✔✔45
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
4
PRIVACY STATEMENT. ALL RIGHTS RESERVED
