IRC PLUMBING ACTUAL EXAMINATION SCRIPT 2026 FULL QUESTIONS AND CORRECT ANSWERS VERIFIED PASS

IRC PLUMBING ACTUAL EXAMINATION
SCRIPT 2026 FULL QUESTIONS AND
CORRECT ANSWERS VERIFIED PASS

●● IRC Chapter 26.
Answer: General Plumbing Requirements


●● IRC Chapter 27.
Answer: Plumbing Fixtures


●● IRC Chapter 28.
Answer: Water Heaters


●● IRC Chapter 29.
Answer: Water Supply and Distrobution


●● IRC Chapter 30.
Answer: Sanitary Drainage


●● IRC Chapter 31.
Answer: Vents

,●● IRC Chapter 32.
Answer: Traps


●● IRC Chapter 33.
Answer: Storm Drainage


●● Existing building sewers that will serve a new system shall be
_______________ ____________ to verify that the piping is _______ in
the correct direction, is not ______, is not _______ and is _____ for the
drainage load of the new plumbing drainage to be installed..
Answer: Internally Examined
Sloping
Broken
Obstructed
Sized


●● Concealment of plumbing and drainage systems.
Answer: P2503.2
A plumbing or drainage system, or part thereof, shall not be covered,
concealed or put into use until it has been tested, inspected and approved
by the building code occicial.

, ●● Inspection and Testing: IRC Section.
Answer: Section 2503


●● Building Sewer Testing: IRC Chapter.
Answer: Chapter 25
2503.4


●● What does DWV stand for?.
Answer: Drain, Waste, Vent


●● DWV water test: Each section shall be filled with water to a point
not less than _ ____ above the highest fitting connection in that section.
Water shall be held in the section under test for a period of __ minutes..
Answer: 5 feet
15


●● Finished Plumbing Testing: IRC Chapter.
Answer: 25


●● Building Sewer Testing: The building sewer shall be tested by
insertion of a test plug at the point of connection with the public sewer,
filling the building sewer with water and pressurizing the sewer to not
less than __ foot of head water. The test pressure shall not decrease
during a period of not less than __ Minutes..