Timber Defect: Rind Gall Explained
The question describes a specific defect in timber resulting from the tree's healing process after a branch is removed.
Defect Description Analysis
- Cause: A wound created by cutting off a branch.
- Process: Swelling occurs due to the growth of sapwood layers over the wound.
- Result: A defect in the timber.
Identifying the Timber Defect
The defect described, characterized by swelling and new sapwood growth over a wound from a cut branch, is known as a rind gall. This occurs when the tree attempts to compartmentalize or heal the injury.
Evaluating Other Options
- Checks: These are cracks or splits in wood, often along the growth rings, typically caused by stresses during drying.
- Knots: These are the remnants of branches or twigs embedded in the wood of a tree trunk. They represent a disruption in the grain pattern.
- Shakes: These are separations between or through the growth rings of a tree, commonly occurring before the tree is harvested.
Rind gall specifically relates to the abnormal swelling and tissue growth over an injury site, matching the question's description.
Important Questions from Timber
The moisture content of a well seasoned wood is in the range-
The defect caused due to over-maturity and unventilated storage of the wood during its transit, is called _______.
The drawback of electric seasoning of timber is
The defect in timber due to broken branch of the tree during the tree growth is:
The best possible wood for sleepers is:
