
Type of Smart Materials
Authored by Sakon Rahong
Science
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT considered a type of smart material?
Piezoelectric materials
Shape-memory alloys
Composite materials
Ferrofluids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a piezoelectric material is subjected to mechanical stress?
It generates a magnetic field.
It changes its shape dramatically.
It generates an electric charge.
It becomes transparent.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property do shape-memory alloys (SMAs) exhibit?
They can return to their original shape after being deformed when heated.
They generate electricity when subjected to a magnetic field.
They become superconductors at very low temperatures.
They are exceptionally strong and lightweight.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the behavior of magnetostrictive materials?
They change shape in response to a magnetic field.
They generate a magnetic field when deformed.
They generate electricity when exposed to light.
They change color depending on the temperature.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a practical application of smart materials?
Using piezoelectric materials in ultrasound imaging.
Using ferrofluids as a replacement for conventional concrete in buildings.
Using shape-memory alloys to produce electrical wires.
Using magnetostrictive materials as a substitute for ink in printers.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary characteristic of electrochromic materials?
They change their color when an electric voltage is applied.
They produce electricity when exposed to light.
They expand or contract in the presence of a magnetic field.
They can repair themselves when damaged.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which smart material is typically used for sensing mechanical stresses, such as in tactile sensors?
Shape-memory alloys
Electrochromic materials
Magnetostrictive materials
Piezoelectric materials
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