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3 cards from this section. Quick, good the night before a test.
What is a knot in wood?
Think about where branches grow.
Name one type of shake.
Consider the pattern around the pith.
What are knots primarily caused by?
Think of where branches normally attach.
True or False: Loose knots are more desirable than tight knots.
Consider the stability of the wood.
Given a 2x4 beam containing tight knots and loose knots, calculate which one would be preferable for a load-bearing structure and why.
Consider how knots affect strength.
Assess a piece of wood that has both a star shake and a heart shake. Discuss how these shakes could affect the wood's use in construction.
Evaluate which shake is more severe in terms of potential failure.
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