Because the fibers in round timber are intact, it can be regarded weaker than sawn timber of the same section area. True or False?
False
When building materials are loaded, they are said to be subjected to _________.
fiber stress
It is the easiest structural material to work with.
Timber
When used in beams and columns, this refers to wood’s capacity to resist breakage.
wood's strength
When subjected to fire, timber makes a great structural material. True or False?
True
It is a widely utilized building material in many parts of the world due to its low cost, simplicity of working, appealing appearance, and long life if kept dry and insect-free
Wood
Buildings made of timber materials do not require solid foundations as those made of heavy materials. True or False?
True
Wood affected by this defect loses strength and loses its aesthetic appeal.
decay
What type of wood defect is shown in the picture?
insect damage
It is a wide piece of lumber from 4 to 5 inches thick.
plank
What type of wood defect is shown in the picture?
brittle heart
Softwood refers to wood harvested from deciduous trees, whereas hardwood refers to wood harvested from coniferous trees. True or False?
False
It's a piece of wood that's less than 4 centimeters thick and at least 10 centimeters wide.
board
When loaded, ______ woods resist deflection or bending.
stiff
It is planed lumber having at least one smooth side.
Surface or dressed lumber
Type of fungi which live primarily on the sapwood, but they can penetrate deep into the wood and detract from the appealing aspect of the wood.
staining fungi
Term used when the direction of the fibers is nearly parallel with the side and edges of the board.
straight grained
What type of wood defect is shown in the picture?
fissures
A type of rough lumber with at least one flat surface that is cut tangent to the annual rings running the length of the log
slab
Refers to the breakdown of wood brought on by alternating shrinkage and swelling caused by rain, fast temperature changes, humidity, and sunlight.
Weathering
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