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Questions and Answers
What percentage of the average U.S. auto in 1970 was made up of plastics and rubber?
What percentage of the average U.S. auto in 1970 was made up of plastics and rubber?
- 20%
- 22%
- 8% (correct)
- 61%
What material replaced the heavier metals in U.S. automobiles by 2010?
What material replaced the heavier metals in U.S. automobiles by 2010?
- Metals
- Plastics and rubber (correct)
- Alloys
- Composites and ceramics
Which type of materials have the ability to sense external environmental stimuli like temperature, stress, light, and respond by changing properties?
Which type of materials have the ability to sense external environmental stimuli like temperature, stress, light, and respond by changing properties?
- Metals
- Ceramics
- Alloys
- Smart materials (correct)
What are Shape Memory Alloys used for in the context of the provided text?
What are Shape Memory Alloys used for in the context of the provided text?
In 2010, what percentage of the average U.S. auto was made up of metals?
In 2010, what percentage of the average U.S. auto was made up of metals?
What caused the average vehicle weight to increase by 2010 compared to 1970?
What caused the average vehicle weight to increase by 2010 compared to 1970?
Which category of materials saw the most significant increase in usage in U.S. automobiles from 1970 to 2010?
Which category of materials saw the most significant increase in usage in U.S. automobiles from 1970 to 2010?
What are the primary stimuli that shape memory alloys can respond to?
What are the primary stimuli that shape memory alloys can respond to?
Fibrous composites are often used in which applications?
Fibrous composites are often used in which applications?
Particulate composites are known for their ability to enhance:
Particulate composites are known for their ability to enhance:
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