Construction Lumber Quiz #1

What does SPF stand for in construction lumber?

• Spanning Panel

• Resilient Pine Fiber

• Spruce-Pine-Fir

• Sturdy Pine Frame

What is nominal sizing in lumber dimensions?

• Dimensional Accuracy

• Raw Material Thickness

• Refers to the dimensions of lumber before it is planed and finished

• Final Cut Measurements

What are lag screws typically used for?

• Attaching Lightweight Materials

• Fastening Metal Brackets

• Securely fastening heavy materials to wood

• Hanging Decorative Items

What is a stringer in construction?

• Structural Stability Bar

• Load-Bearing Member

• A structural member that supports the treads and risers in a staircase

• Horizontal Support Beam

What does a sill plate refer to in wall construction?

• Load-Bearing Foundation

• Bottom Support Frame

• The bottom horizontal member of a wall that rests on the foundation

• Wall Anchor Plate

What is bridging used for in floor framing?

• Supporting Vertical Loads

• Floor Joist Reinforcement

• Additional framing members installed between joists to stiffen the floor system and prevent twisting

• Subfloor Stabilization

What is plywood commonly used for in construction?

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What does 16” OC refer to in framing layout?

• Optimal Construction

• Spanning Timber Spacing

• Spacing 16 inches on center, a common framing layout where joists or studs are placed 16 inches apart

• Stud Placement Standard

What are trimmer joists used for in framing?

• Supporting Roof Loads

• Structural Edge Reinforcement

• Supporting the ends of headers in floor or roof framing

• Beam Connection Support

What is a girder in construction?

• Roof Beam

• Horizontal Framing Support

• A large beam that supports other beams or joists

• Wall Stud