Softwood refers to wood harvested from deciduous trees, whereas hardwood refers to wood harvested from coniferous trees. True or False?
False
5
Buildings made of timber materials do not require solid foundations as those made of heavy materials. True or False?
True
5
When loaded, ______ woods resist deflection or bending.
stiff
10
What type of wood defect is shown in the picture?
brittle heart
10
What type of wood defect is shown in the picture?
fissures
10
What type of wood defect is shown in the picture?
insect damage
10
When building materials are loaded, they are said to be subjected to _________.
fiber stress
10
It's a piece of wood that's less than 4 centimeters thick and at least 10 centimeters wide.
board
10
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
10
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
10
When used in beams and columns, this refers to wood’s capacity to resist breakage.
wood's strength
10
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
10
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
10
It is the easiest structural material to work with.
Timber
10
Wood affected by this defect loses strength and loses its aesthetic appeal.
decay
5
Refers to the breakdown of wood brought on by alternating shrinkage and swelling caused by rain, fast temperature changes, humidity, and sunlight.