AND ANSWERS (A+ GUIDE SOLUTION) NEWEST 2025/2026
When Plumbing code conflicts with mechanical code, which shall prevail? - correct answer
Plumbing code
It is the duty of whom to notify the AHJ of work ready for inspection? - correct answer The
person doing the work
What is AHJ? - correct answer Authority Having Jurisdiction
How much notice must you give the AHJ prior to inspection? - correct answer 24 Hours
hot water for public use lavatories shall be limited to what temp:
A) 105
B) 120
C)115
D)110 - correct answer 120 F
Is the plumbing code minimum or maximum standards? - correct answer Minimum
requirements and standards
What is considered a bathroom? - correct answer A room with a shower or bathtub
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 - correct answer Building drain
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 - correct answer Continuous vent
, 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 - correct answer Combination Waste and vent system
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 - correct answer Yoke vent
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?
A) 200.96
B)256
C) 300 - correct answer 200.96
Volume is (Pie X R^2)xHeight
(3.14x2^2) X 16 =200.96
The Volume of the cylinder is 200.96 cubic feet, many gallons of water is that?
A) 1503
B) 1600
C) 1000
D) 1263.72 - correct answer 7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length - correct answer The length along the center of the pipe and fitting
Vertical pipe - correct answer any pipe or fitting installed in a vertical position or which forms
an angle of not more than 45 degrees with the vertical line