Woodworking

What are the common defects to look out for in lumber?

• Cup, twist, crook, bow, check, split

• Scratches, dents, stains, warps, cracks, splits

• Rough surface, uneven edges, discoloration, knots, termite damage

• Warping, splitting, cupping, twisting, cracking, bending

What is plywood made of?

• Multiple layers of thin wood veneer

• Solid blocks of wood

• Synthetic materials

• Metal sheets

How is plywood graded?

• By surface and number of plies

• By thickness and weight

• By color and texture

• By hardness and durability

What are wood rasps used for?

• Roughing out and shaping edges

• Smoothing surfaces

• Making precise cuts

• Measuring and marking

What makes hardwood stronger than softwood?

• It grows slower

• It has more knots

• It has thicker fibers

• It has more moisture

What is the term for lumber that has been sized and shaped to a flat surface?

• Dressed lumber

• Rough cut lumber

• Dimensional lumber

• Finished plywood

What is the actual size of a 2x4 dimensional lumber?

• 1.5 inches by 3.5 inches

• 2 inches by 4 inches

• 1 inch by 4 inches

• 0.75 inches by 3.5 inches

A cutting tool with a heavy, sharp blade used for chopping wood.

• Axe

• Chisel

• Stuslo

• Saw

The sanding paper is used to:

• Cut wood

• Smooth surfaces

• Measure angles

What is the primary scientific principle behind the strength of plywood?

• Layered structure distributes stress

• Solid core resists compression

• Synthetic adhesives increase flexibility

• Metal reinforcements add durability