Practice Shakes (4.1.b) - Introduction - Civil Engineering Materials, Testing & Evaluation

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6 sample questions

Question 1.
What are shakes in wood?
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Think about how wood might crack.
Question 2.
Name one type of shake.
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Recall the different types we discussed.
3Question 3.
What is a shake in wood?
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Think how wood might develop cracks.
4Question 4.
True or False: Heart shakes extend outward from the pith.
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Remember the definition of heart shakes.
Question 5.
Analyze a section of wood with both heart shake and ring shake. Discuss the implications of using such wood in a structural application.
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Consider the structural functionalities and the visible implications of defects.
Question 6.
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?
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Evaluate the severity of each defect and its effect on strength.

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