30 Questions
What is the main focus of Materials Science?
Understanding the relationship between structures and properties of materials
Which aspect of materials does Materials Engineering primarily deal with?
Processing materials to achieve specific properties
What is one reason why materials selection has become more challenging over time?
Increased number of available materials
Which level of a material's structure relates to the arrangement of its internal components at the smallest scale?
Subatomic level
What is a key trait that defines a material's property?
Its response to a specific stimulus
Why were early civilizations designated by terms like 'stone age' and 'bronze age'?
To indicate their level of material development
What is one of the reasons mentioned for studying Engineering Materials?
To select the material with the best combination of properties
What was the traditional classification of solid materials up to the late 80’s?
Metals, ceramics, and polymers
What are the new important emerging classifications added since the 90’s?
Composites, semiconductors, and biomaterials
Why might a material other than glass be recommended for soft drink packaging?
Other materials might have better properties that meet the needs
What is an example of an application condition mentioned that might require specific material selection?
Operating at elevated temperature
What type of bonds do metals have that contribute to their good electrical conductivity?
Metallic bonds
Which factor might result in prohibitive costs when selecting materials for specific applications?
Having to meet certain properties for high-performance applications
What areas of development are highlighted for metals as per the text?
Higher operating temperature engines and turbines
What are ceramics composed of?
Both metallic and non-metallic elements
Why do three identical materials show different properties?
Due to differences in their processing
Which class of materials are frequently oxides, nitrides, carbides, and borides?
Ceramics
What significant aspect of materials is emphasized when selecting them for applications?
The ability to trade off one characteristic for another
What are some characteristics of ceramics based on the provided text?
Insulative to electricity and heat, resistant to high temperatures and harsh environments
What is another name for polymers as mentioned in the text?
Plastics
What are some characteristics of polymers based on the provided text?
Lightweight, low cost, low strength, low melting point
What do composites utilize according to the text?
The best characteristics of each component materials
What are some areas of development and research for polymers as mentioned in the text?
Biodegradable polymers, liquid crystal polymers, electrically conducting polymers
Which material is an example of a composite according to the text?
Fiber reinforced plastics (FRP)
What type of electrical properties do semiconductors have?
Intermediate between electrical conductors and insulators
How have semiconductors impacted the electronics and computer industries?
They have revolutionized the industries in the past two decades
What is one requirement for biomaterials implanted in the human body?
They must be bioactive or resorbable
Which type of materials are used in high-technology applications like lasers, IC's, and LCD's?
Advanced materials
What is a common example of a biomaterial?
Stainless steel
What scale are the chips in optical computing typically measured in?
$1$ million for a 486 chip
This quiz provides an introduction to the importance of engineering materials in various aspects of everyday life. Learn about the significance of materials in transportation, housing, communication, clothing, recreation, and food production. Explore the development of materials throughout different civilizations.
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