Residential Contractor Practice Exam
Questions and Answers (100% Pass)
What is the MINIMUM overlap for joints in polyethylene film moisture barrier
applied over the exterior of a below grade foundation wall? - Answer✔️✔️-6 inches
What is the MINIMUM height required for a nonabsorbent wall surface above a
bathtub? - Answer✔️✔️-6 feet
Nails used to fasten concrete roofing tiles must penetrate the deck a MINIMUM of
how many inches or through the thickness of the deck, Whichever is less? -
Answer✔️✔️-3/4 inch
How must rafters be framed to each other? - Answer✔️✔️-with a gusset plate
All of the following are benefits of platform construction as compared to balloon
construction EXCEPT. - Answer✔️✔️-easier installation of plumbing and wiring
750 feet of pipe is being laid at 0.5% slope. On a topographic map that has 6 inch
contour intervals approximately how many intervals will be depicted on the map
from one end of the pipe to the other? - Answer✔️✔️-8 contour intervals
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