NCCER Module 5 Carpentry - Floor Systems - Part 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified

NCCER Module 5 Carpentry - Floor Systems - Part 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the most common material used for floor joists in residential construction? Wood What is a floor girder used for in a floor system? To provide additional support for the floor joists What is the purpose of a sill plate in a floor system? To anchor the floor framing to the foundation walls What is the typical spacing for floor joists in residential construction? 16 inches on center What does "live load" refer to in a floor system? The weight of movable objects and people in a building 2 What is "dead load" in the context of a floor system? The weight of the building materials and the floor system itself What is the function of a subfloor in a floor system? To provide a base for the finished floor covering and distribute loads What is the difference between a wood and concrete floor system? Wood systems use wooden joists and beams, while concrete systems use poured concrete and steel reinforcement What is a cantilever in a floor system? A part of the floor system that extends beyond its support What is the purpose of bridging between floor joists? To prevent the joists from twisting and provide added strength What are the common materials used for subfloors? 3 Plywood, oriented strand board (OSB), and tongue-and-groove boards What is the purpose of a crawl space in a floor system? To allow for ventilation and provide access to plumbing and electrical systems What is a ledger board used for in floor framing? To provide support for the outer edge of the floor system, usually where it meets a wall or beam What is the term "floor span" referring to? The distance between supports for the floor system, such as beams or walls What is the purpose of a moisture barrier in a floor system? To prevent moisture from damaging the flooring materials or causing mold growth What is a trimmer joist used for? To support the ends of a header or to frame around openings such as stairways 4 What does the term "load-bearing" mean in floor framing? A structure or component that carries