Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Which of the following is a property of polymers?
magnetic
high density
thermal conductors
electrical insulators
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Which of the following materials are classified as ceramics?
plastic
wood
porcelain
metal
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Composites are made by combining which of the following?
two or more materials
only plastics
only metals
a single material
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Why is concrete an ideal building material?
it can withstand high compression stresses
it has very low density
it is very flexible
it is an electrical and thermal conductor
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Which of the following are components of concrete? Pick all that apply.
cement
sand
glass fibres
gravel
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Which of the following properties make polymers useful?
electrical and thermal conductivity
difficulty in moulding
high density
flexibility
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Ceramics are made by:
mixing gravel and sand with cement
embedding glass fibres in plastic
combining two or more materials
heating substances like clay to a high temperature
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Which of the following are true about ceramics?
they are easily moulded
they are flexible
they are electrical and thermal insulators
they have low density
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What is another name for plastics?
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Explain how the combination of materials in fibreglass results in its enhanced properties.
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