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ExAC Section 3 (Theme 8) - The Final Project Questions
and Answers with 100% Complete Solutions
UPDATED!!!!
Identify some of the criteria used to select an appropriate
building material for a particular use.
Cost
Availability
Strength
Elasticity
Stiffness
Dimensional stability
Resistance to water and water vapour
Resistance to corrosion
Thermal conductivity
Transmission, reflection, and/or absorption of light and
radiant heat
Hardness and/or density
Resistance to combustion
Compatibility with adjacent materials (galvanic action)
Aesthetics, color, texture, scale
(8.1.1)
Identify some of the beneficial properties of wood when
acting as a load-bearing material
Strong, durable, lightweight
Good in compression
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Relatively low embodied carbon
Not susceptible to changes in temperature
(8.1.2)
Identify some of the negative properties of wood when
acting as a load-bearing material
Moisture sensitivity
Tree species and growth affect its strength,
expansion/contraction and effectiveness as insulator
(8.1.2)
Identify a few species of softwood
Coniferous trees
Spruce, pine and fir (SPF)
(8.1.2)
What type of wood is better suited to rough carpentry?
Softwood
(Coniferous trees, spruce, pine and fir)
(8.1.2)
Identify a few species of hardwood
Deciduous trees
Exotic species
(8.1.2)
What type of wood is better suited to finished carpentry?
Hardwood
(Deciduous trees, exotic species)
(8.1.2)
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List the three types of lumber cuts.
Plain sawn, quarter sawn, rift cut
(8.1.2)
What are three types of rot-resistance treatments for
wood?
Water-based, oil-based, creosote
(8.1.2)
Identify some of the beneficial properties of steel when
acting as a load-bearing material
Strong, stiff, and elastic
Strongest common construction material by weight
Superior tensile strength
Adequate compressive strength
(8.1.2)
Identify some of the negative properties of steel when
acting as a load-bearing material
Requires fire protection
Becomes ductile and loses strength at temperatures over
1000'F
Susceptible to corrosion
High embodied energy (from production)
(8.1.2)
Identify some of the beneficial properties of concrete when
acting as a load-bearing material
High compressive strength
Fire resistant
Non-combustible
ExAC Section 3 (Theme 8) - The Final Project Questions
and Answers with 100% Complete Solutions
UPDATED!!!!
Identify some of the criteria used to select an appropriate
building material for a particular use.
Cost
Availability
Strength
Elasticity
Stiffness
Dimensional stability
Resistance to water and water vapour
Resistance to corrosion
Thermal conductivity
Transmission, reflection, and/or absorption of light and
radiant heat
Hardness and/or density
Resistance to combustion
Compatibility with adjacent materials (galvanic action)
Aesthetics, color, texture, scale
(8.1.1)
Identify some of the beneficial properties of wood when
acting as a load-bearing material
Strong, durable, lightweight
Good in compression
,2|Page
Relatively low embodied carbon
Not susceptible to changes in temperature
(8.1.2)
Identify some of the negative properties of wood when
acting as a load-bearing material
Moisture sensitivity
Tree species and growth affect its strength,
expansion/contraction and effectiveness as insulator
(8.1.2)
Identify a few species of softwood
Coniferous trees
Spruce, pine and fir (SPF)
(8.1.2)
What type of wood is better suited to rough carpentry?
Softwood
(Coniferous trees, spruce, pine and fir)
(8.1.2)
Identify a few species of hardwood
Deciduous trees
Exotic species
(8.1.2)
What type of wood is better suited to finished carpentry?
Hardwood
(Deciduous trees, exotic species)
(8.1.2)
, 3|Page
List the three types of lumber cuts.
Plain sawn, quarter sawn, rift cut
(8.1.2)
What are three types of rot-resistance treatments for
wood?
Water-based, oil-based, creosote
(8.1.2)
Identify some of the beneficial properties of steel when
acting as a load-bearing material
Strong, stiff, and elastic
Strongest common construction material by weight
Superior tensile strength
Adequate compressive strength
(8.1.2)
Identify some of the negative properties of steel when
acting as a load-bearing material
Requires fire protection
Becomes ductile and loses strength at temperatures over
1000'F
Susceptible to corrosion
High embodied energy (from production)
(8.1.2)
Identify some of the beneficial properties of concrete when
acting as a load-bearing material
High compressive strength
Fire resistant
Non-combustible
