12 Questions
What is the term used to describe splits near the centre of a trunk that may indicate decay?
Heart Shakes
Which defect is characterized by insufficient wood at a corner or along an edge of a plank or board?
Wane
In timber, when does warping (distortion) occur?
During seasoning process
What do Live Knots represent in timber?
Portion of branch enclosed within trunk firmly connected to surrounding wood
What is the term for long, narrow openings or lines of breakage made by cracking or splitting in timber?
Fissures
In softwood, what are defects that consist of openings in the grain containing pitch or resin?
Resin or bark pockets
What type of defect in timber is characterized by splits near the centre of the trunk, potentially indicating decay?
Heart Shakes
When branches grow and are enclosed within the trunk, what type of knots are formed in timber that are firmly connected to the surrounding wood and difficult to drop?
Live Knots
Which type of defect in softwood consists of openings in the grain that contain pitch or resin?
Resin pockets
What characteristic of timber indicates insufficient wood at a corner or along an edge of a plank or board?
Wane
When timber shrinks along the growth line, what type of distortion defect occurs?
Warping
What type of knots are formed in timber when a branch drops off and is overgrown by new wood, making them easy to drop?
Dead Knots
Test your knowledge on identifying common wood defects such as sloping grain, heart shakes, wane, fissures, resin pockets, and more. Learn to recognize these issues to better assess wood quality and usability.
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