JOURNEYMAN PLUMBING MAIN EXAMINATION TEST
2025/2026 QUESTIONS AND ANSWERS GRADED A++
✔✔galvanized strapping horizonal - ✔✔1/2": 6 feet
3/4"-1": 8 feet
1 1/4" +: 10 feet
✔✔galvanized strapping vertical - ✔✔1/2": 6 feet
3/4"-1": 8 feet
1 1/4" +: every floor
✔✔abs strapping horizontal - ✔✔all sizes 4 feet
✔✔abs strapping vertical - ✔✔base and each floor, mid story guides
✔✔pex strapping horizontal - ✔✔1" and smaller: 32"
1 1/4" and greater: 48"
✔✔pex strapping vertical - ✔✔base and each floor, mid story guides
✔✔1 1/4" drainage units - ✔✔vertical: 1
hoizontal: 1
✔✔1 1/4" drainage length - ✔✔vertical: 45 feet
horizontal: unlimited
✔✔1 1/4" vent piping - ✔✔units: 1
length: 45 feet
✔✔1 1/2" drainage units - ✔✔vertical: 2
horizontal: 1
✔✔1 1/2" drainage length - ✔✔vertical: 65 feet
horizontal: unlimited
✔✔1 1/2" vent piping - ✔✔units: 8
length: 60 feet
✔✔2" drainage units - ✔✔vertical: 16
horizontal: 8
✔✔2" drainage length - ✔✔vertical: 85
horizontal: unlimited
2025/2026 QUESTIONS AND ANSWERS GRADED A++
✔✔galvanized strapping horizonal - ✔✔1/2": 6 feet
3/4"-1": 8 feet
1 1/4" +: 10 feet
✔✔galvanized strapping vertical - ✔✔1/2": 6 feet
3/4"-1": 8 feet
1 1/4" +: every floor
✔✔abs strapping horizontal - ✔✔all sizes 4 feet
✔✔abs strapping vertical - ✔✔base and each floor, mid story guides
✔✔pex strapping horizontal - ✔✔1" and smaller: 32"
1 1/4" and greater: 48"
✔✔pex strapping vertical - ✔✔base and each floor, mid story guides
✔✔1 1/4" drainage units - ✔✔vertical: 1
hoizontal: 1
✔✔1 1/4" drainage length - ✔✔vertical: 45 feet
horizontal: unlimited
✔✔1 1/4" vent piping - ✔✔units: 1
length: 45 feet
✔✔1 1/2" drainage units - ✔✔vertical: 2
horizontal: 1
✔✔1 1/2" drainage length - ✔✔vertical: 65 feet
horizontal: unlimited
✔✔1 1/2" vent piping - ✔✔units: 8
length: 60 feet
✔✔2" drainage units - ✔✔vertical: 16
horizontal: 8
✔✔2" drainage length - ✔✔vertical: 85
horizontal: unlimited