WorksheetsWOOD
Total questions: 15
Worksheet time: 10mins
Select 4 main reason of using wood for construction.
ease of use
relatively low cost
durability
(if properly designed)
eco friendly
availbility
Select 2 correct statement about CONIFERS
slow growth
easy to cut
high dense
less dense
Select 2 correct classification of softwood
density - low
color - darker
color - lighter
annual ring - indistinct
Select 2 correct classification of hardwood
weight - lighter
growth - slower
annual rings - distinct
density - high
What is the function of SAPWOOD (choose 2 answer)
as a pipeline to transport sap
provides structural strength for the tree
as a storehouse for starches
the location of all wood growth
What is the function of CAMBIUM?
as a pipeline to transport sap
provides structural strength for the tree
as a storehouse for starches
the location of all wood growth
What is the function of HEARTWOOD?
growth layer for bark
as a storehouse for starches
provides structural strength for the tree
growth ring direction
What if the effect of TANGENTIAL DIRECTION? (chose 2 answers)
water easy to absorb
strongest
weakest
most shrinkages
What if the effect of LONGITUDINAL DIRECTION? (chose 2 answers)
least shrinkage
strongest
weakest
most shrinkages
What is pith of tree?
high dense area
located at central core of the tree
act as skin of tree
solid structure
'IT' is result of the tubular geometry of the wood cells. What is 'IT'?
growth rings
anisotropic
living bark
bound water
Defects in lumber may effect to ........... . (chose 2 answers)
color
characteristic
mechanical properties
appearance
Select 2 correct statement about KNOTS.
no affect on tensile
derive from tree trunk
flexure strength
lengthwise separations
Name the defect in the image.
knot
shake
wanes
splits
Name the defect in the image.
knot
shake
checks
wanes
