Build Better Pro
Back
Plumbing · Red Seal Mock — Study Mode
Question 1 of 50
Minimum required slope on a 100 mm (4 in) horizontal building drain is typically:
1% (1/8 in/ft, 10 mm/m)
2.5% (1/4 in/ft, 21 mm/m)
No slope
5%
Check answer
Home
Code
DIY
Exams