WorksheetsProperties and Characteristics of Wood - Part 4
Total questions: 9
Worksheet time: 45mins
Moisture content in wood exists as either: (select all that apply)
bound water
mineralized water
percolate water
surface water
free water
The level of saturation at which the cell walls are completely saturated but no free water exists in the cell cavities is called what?
oven-dry weight
water-wet weight
swelling rate
fiber saturation point
moisture content
When the moisture content of wood is above the fiber saturation point, the wood is dimensionally
unstable
stable
semi-stable
structurally sound
swelling
What is caused by moisture loss from the cell walls, and, conversely, what is caused by moisture gain in the cell walls?
exfiltration, infiltration
shrinkage, swelling
drainage, seepage
discharge, inflow
contraction, expansion
The anisotropy of wood's dimensional changes causes all of the following conditions: (select all that apply)
warping
checking
splitting
structural performance issues
rigidity problems
The moisture content in wood varies depending on what factors: (select all that apply)
barometric pressure
wind speed
humidity
atmospheric pressure
air temperature
What is the term for moisture content for the average atmospheric conditions?
equitable moisture content
equilibrium moisture content
equanimity moisture content
equability moisture content
ennui moisture content
Even with rapid atmospheric conditional changes, moisture content in wood tends to adjust to conditions near the what?
P-value
median
mode
average
standard deviation
What physical properties depend on the moisture content of wood? (select all that apply)
strength
weight
shrinkage
species
lumber grade
