4.1.b - Shakes
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Practice Questions
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What are shakes in wood?
💡 Hint: Think about how wood might crack.
Name one type of shake.
💡 Hint: Recall the different types we discussed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a shake in wood?
💡 Hint: Think how wood might develop cracks.
True or False: Heart shakes extend outward from the pith.
💡 Hint: Remember the definition of heart shakes.
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Challenge Problems
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Analyze a section of wood with both heart shake and ring shake. Discuss the implications of using such wood in a structural application.
💡 Hint: Consider the structural functionalities and the visible implications of defects.
If a timber supplier presents you with two identical beams, one with a significant star shake and the other with minor heart shakes, which would you select for a high-stress application, and why?
💡 Hint: Evaluate the severity of each defect and its effect on strength.
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