WorksheetsChapter 2 Lumber
Total questions: 8
Worksheet time: 4mins
Cracks that run parallel to and between the annular rings are called ____ and may be caused by weather or other damage to the tree.
wanes
shakes
knots
bows
The water in the cell cavities is the first to be removed and is called ____.
green water
overflow water
filtered water
free water
From best to worst, hardwood is graded in this order: ____.
select, no. 1 common, FAS
no. 1 common, FAS, select
FAS, select, no. 1 common
no. 1 common, select, FAS
Crooks, bows, cups, and twists are all types of ____.
checks
shakes
cracks
warps
To find board feet we use the formula: ____.
length (in feet) x width (in inches) divided by number of pieces
width (in inches) x thickness x length (in feet) x number of pieces
number of pieces x thickness (in inches) x width (in inches) x length
number of pieces x thickness (in inches) x width (in inches) x length (in feet) divided by 12
When wood dries to the moisture content of the surrounding air, the lumber has reached its ____.
equilibrium moisture content
fiber-saturation point
seasoned point
19-percent point
The method of cutting logs into lumber in which the annular rings are almost at right angles to the wide surface is called ____.
plain-sawing
slash-sawing
quarter-sawing
pre-sawing
A board is considered to be ____.
under one inch in thickness
under two inches in thickness
under three inches in thickness
under four inches in thickness
