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Master Plumber 2025 – Plumbing Code Refresher Exam – Converted

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Course Master Plumber
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Converted Master Plumber 2025 Plumbing Code Refresher Exam. Includes questions and answers to help licensed plumbers review plumbing codes, reinforce technical knowledge, and prepare effectively for refresher or certification exams.

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Master Plumber 2025 - Plumbing Code2026
Refresher
Updated
Exam
Questions & Verified Answers

51 mm or 2" vent pipe size 24 DFU
can serve up to _____ DFU.


A 65 mm branch can carry 4 dishwasher receptor
the load of _____.


a. 4 dishwasher receptor
b. 8 floor drains
c. 3 flushing rim sink
d. 4 private water closet


the ability of a material to Breaking strength
withstand a pulling or tensile
force.



Page 1

,Master Plumber 2025 - Plumbing Code2026
Refresher
Updated
Exam
Questions & Verified Answers

The acceptable layer of soil Gravel
to use around the seepage
pit.


(Note: The minimum
effective absorption area in
any seepage pit shall be
calculated as the excavated
side wall area below the
inlet, exclusive of any
hardpan, rock, clay, or other
impervious formations.)




Page 2

,Master Plumber 2025 - Plumbing Code2026
Refresher
Updated
Exam
Questions & Verified Answers

Access and clearance for lowest portion of the assembly and
testing shall require the grade, floor, or platform
minimum of 305 mm space
between the _____.


Accessible elevators shall 1.1 m x 1.4 m
have a minimum dimension
of _____. (BP 344, old)


According to the building wrought iron and galvanized iron
code, the allowed material
for the dry standpipe are
_____.




Page 3

, Master Plumber 2025 - Plumbing Code2026
Refresher
Updated
Exam
Questions & Verified Answers

An air pressure less than Vacuum
atmospheric


The air test shall be done minimum 34.5 kpa for at least 15
with __________. minutes


almost similar as circuit vent, Loop Vent
but connects to the Stack
Vent


ANSI meaning American National Standards Institute




Page 4

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