QUESTIONS AND CORRECT ANSWERS
When Plumbing code conflicts with mechanical code, which shall prevail? - CORRECT
ANSWERS Plumbing code
It is the duty of whom to notify the AHJ of work ready for inspection? - CORRECT
ANSWERS The person doing the work
What is AHJ? - CORRECT ANSWERS Authority Having Jurisdiction
How much notice must you give the AHJ prior to inspection? - CORRECT ANSWERS 24
Hours
hot water for public use lavatories shall be limited to what temp:
A) 105
B) 120
C)115
D)110 - CORRECT ANSWERS 120 F
Is the plumbing code minimum or maximum standards? - CORRECT
ANSWERS Minimum requirements and standards
What is considered a bathroom? - CORRECT ANSWERS 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 ANSWERS 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 ANSWERS 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 ANSWERS 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 ANSWERS 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 ANSWERS 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 ANSWERS 7.48 gallons per cubic foot
(200.96 X 7.48) = 1503.2 gallons
Developed Length - CORRECT ANSWERS The length along the center of the pipe and
fitting
Vertical pipe - CORRECT ANSWERS any pipe or fitting installed in a vertical position or
which forms an angle of not more than 45 degrees with the vertical line
potable water - CORRECT ANSWERS water that is safe to drink, use in culinary and
domestic purposes