What is the main feature of thermochromic materials?

They change colour with temperature variations.

What is the main advantage of using shape memory alloys in design?

They can adapt to their environment and return to a predetermined shape.

Micro-encapsulation is used primarily for what purpose?

To encapsulate substances for controlled release.

What is a common use of thermochromic inks?

In temperature-sensitive products like mugs that change colour when hot.

What is a key application of smart fibres?

They can change properties in response to environmental stimuli.

What is a characteristic of shape memory alloys (SMA)?

They can return to their original shape after deformation when heated.

Biometric systems are primarily used for what function?

Identifying individuals based on their unique biological traits.

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Smart Materials

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Questions 10

Answers

1
Photochromic materials change their colour in response to what?
Temperature changes
Moisture levels
Pressure changes
Light exposure
2
Which of the following materials can respond to changes in light?
Shape memory alloys
Polymorph
Photochromic materials
Thermochromic materials
3
What is the main feature of thermochromic materials?
They are only used in electronics.
They change colour with temperature variations.
They are waterproof and resistant to chemicals.
They can conduct electricity when heated.
4
What is the main advantage of using shape memory alloys in design?
They can adapt to their environment and return to a predetermined shape.
They are the cheapest materials available.
They are always lightweight and easy to transport.
They require no special handling or care.
5
Micro-encapsulation is used primarily for what purpose?
To improve the aesthetic quality of fabrics.
To enhance the strength of metals.
To create rigid structures in construction.
To encapsulate substances for controlled release.
6
What is a common use of thermochromic inks?
In temperature-sensitive products like mugs that change colour when hot.
In materials that require high strength and durability.
In products that need to be waterproof.
In traditional textile printing.
7
What is a key application of smart fibres?
They can change properties in response to environmental stimuli.
They are always used in traditional clothing.
They are only used in sports equipment.
They do not conduct electricity.
8
Which material is known for being mouldable when heated and can be reshaped upon cooling?
Photochromic fabric
Biometric sensor
Thermochromic plastic
Polymorph
9
What is a characteristic of shape memory alloys (SMA)?
They can return to their original shape after deformation when heated.
They are always transparent and lightweight.
They are biodegradable and break down in the environment.
They are only used in construction materials.
10
Biometric systems are primarily used for what function?
Measuring temperature changes in materials.
Identifying individuals based on their unique biological traits.
Creating flexible electronic circuits.
Enhancing the durability of fabrics.

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