Exploring Smart and Composite Materials
Authored by L D
Design
10th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a smart material?
Stainless steel
Shape memory alloy
Concrete
Glass
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property makes thermochromic pigments a smart material?
They conduct electricity
They change colour with temperature
They are magnetic
They are biodegradable
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a composite material?
Aluminium
Carbon fibre reinforced polymer
Copper
Polyethylene
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using composite materials in aircraft construction?
They are heavier than metals
They are more expensive
They have a high strength-to-weight ratio
They rust easily
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which smart material is used in glasses that darken in sunlight?
Photochromic glass
Kevlar
MDF
Stainless steel
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of piezoelectric materials?
To conduct heat
To generate electricity when deformed
To absorb water
To insulate against sound
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a property of carbon fibre composites?
Lightweight
High tensile strength
Good electrical conductor
Corrosion resistant
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