Skip to content
WorkZen
Academy
Home
All Trades
My Progress
en
English
EN
Français
FR
Español
ES
Menu
Home
All Trades
My Progress
Search certifications...
en
English
EN
Français
FR
Español
ES
Academy
Plumbing
Plumbing Journeyman License
Drain, Waste & Vent Pipe Sizing
Knowledge Check
Drain, Waste & Vent Pipe Sizing
Knowledge Check
Knowledge Check
1 / 10
Which of the following is an approved material for underground building sewer installation?
A
Vitrified clay
B
Corrugated polyethylene
C
Copper DWV pipe
D
Galvanized steel
Check Answer
Back to lessons
Next module: Traps & Trap Seal Protection
Next module: