2025/2026 Exam WITH COMPLETE
Questions and SURE VERIFIED
SOLUTIONS 100% GRADED AT A+
SCORE!! SURE GUARANTEED PASS!!
1. How many foot of head do you need for a test on the sanitary
drainage system - ANSWER ✔ 10'
2. The min spacing for hangers on horizontal 1" copper - ANSWER
✔ 6'
3. A flexible connector for gas appliances cannot be used for pressure
exceeding - ANSWER ✔ .5 psi
4. The vertical distance between a fixture outlet and trap weir shall
not exceed - ANSWER ✔ 24"
5. Test done with air on sanitary drainage system shall be how many
psi - ANSWER ✔ 5
6. The min clearance on clean outs 2" or smaller is - ANSWER ✔ 12"
, 7. The min size floor drain is - ANSWER ✔ 2"
8. When building drainage is installed in the same trench as the water
service what joints are allowed for the drainage system - ANSWER
✔ Lead and oakrum
9. All pvc pipe passing through concrete walls and floors shall have a
sleeve having an annular spade of - ANSWER ✔ 1"
10. The min height for a standpipe for a laundry - ANSWER ✔
30"
11. No vent shall be installed within _______ of the trap weir -
ANSWER ✔ 2 pipe diameters
12. When sheet copper is used in plumbing it shall have a min
thickness of - ANSWER ✔ 12 oz per sq ft
13. The storage time of a sump shall not exceed - ANSWER ✔
12 hours
14. Min drain size on residential laundry - ANSWER ✔ 1 1/2