Smart Materials Technology in the Automotive Industry Quiz

What are smart materials in the automotive industry?

• Materials that have fixed shapes and structures

• Materials that are not affected by external stimuli

• Materials that are only used in manufacturing

• Materials that react to changes in the environment

Answer explanation

Smart materials in the automotive industry are materials that react to changes in the environment.

What is the most common piezoelectric ceramic in use today?

• Lead zirconate titanate

• Silicon carbide

• Aluminum oxide

• Barium titanate

Answer explanation

The most common piezoelectric ceramic in use today is Lead zirconate titanate (PZT).

What is the piezoelectric effect?

• The ability of ceramics to withstand high temperatures

• The relation between a mechanical stress and an electrical voltage in solids

• The link between electrostatics and magnetism

• The process of shaping metals using electrical current

Answer explanation

The piezoelectric effect is the relation between a mechanical stress and an electrical voltage in solids.

What happens when a piezoelectric material is deformed?

• It gives off a small electrical discharge

• It changes color

• It becomes transparent

• It becomes more rigid

Answer explanation

When a piezoelectric material is deformed, it gives off a small electrical discharge.

What is the largest application market for piezoelectric devices?

• Industrial and manufacturing

• Construction industry

• Healthcare industry

• Aerospace industry

Answer explanation

The largest application market for piezoelectric devices is the industrial and manufacturing industry.