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Questions and Answers
What are the physical properties of woods related to moisture content?
What are the physical properties of woods related to moisture content?
Wood shrinks when it discharges water and dries, or swell when it absorbs water
What is a check in woods?
What is a check in woods?
A lengthwise separation of the wood like small crack or split.
List three performance properties of woods.
List three performance properties of woods.
Strength, Stiffness, Hardness
Define decay in the context of wood.
Define decay in the context of wood.
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What is wane in wood?
What is wane in wood?
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Explain what warping is in relation to wood.
Explain what warping is in relation to wood.
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What are the three types of classification based on the source of availability of polymers?
What are the three types of classification based on the source of availability of polymers?
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Give an example of a natural polymer.
Give an example of a natural polymer.
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What is the most common and widely used synthetic polymer?
What is the most common and widely used synthetic polymer?
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Which category of polymers contains long and straight chains?
Which category of polymers contains long and straight chains?
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When linear chains of a polymer form branches, what category do they fall into?
When linear chains of a polymer form branches, what category do they fall into?
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What type of monomers do cross-linked polymers contain?
What type of monomers do cross-linked polymers contain?
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What are polymers composed of?
What are polymers composed of?
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Give an example of a natural polymer found in living organisms.
Give an example of a natural polymer found in living organisms.
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What is the process by which polymers are created?
What is the process by which polymers are created?
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What are copolymers made of?
What are copolymers made of?
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What determines the type of polymerization mechanism used?
What determines the type of polymerization mechanism used?
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What is the basis of man-made materials like concrete and plastics?
What is the basis of man-made materials like concrete and plastics?
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