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Questions and Answers
What is the main difference between iron and steel?
What is the main difference between iron and steel?
- Iron is stronger than steel in terms of yield and tensile strength
- Steel occurs naturally, while iron is an alloy of iron and carbon
- Steel is weaker than iron in the domains of yield and tensile strength
- Iron occurs naturally, while steel is an alloy of iron and carbon (correct)
How are early civilizations designated in relation to their materials development?
How are early civilizations designated in relation to their materials development?
- By the level of their agricultural development
- By the level of their materials development (correct)
- By the level of their political organization
- By the level of their transportation systems
What did the earliest humans have access to in terms of materials?
What did the earliest humans have access to in terms of materials?
- A limited number of naturally occurring materials (correct)
- Only advanced materials like steel
- Synthetic materials only
- Metals only
What were some of the new materials discovered by early humans?
What were some of the new materials discovered by early humans?
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How were the properties of materials altered by early humans?
How were the properties of materials altered by early humans?
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What is the primary focus of materials science?
What is the primary focus of materials science?
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What is the role of a materials engineer?
What is the role of a materials engineer?
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What has empowered scientists in recent times to fashion the characteristics of materials?
What has empowered scientists in recent times to fashion the characteristics of materials?
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What is the basis for subdividing the discipline of materials science and engineering into subdisciplines?
What is the basis for subdividing the discipline of materials science and engineering into subdisciplines?
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What does the structure of a material usually relate to?
What does the structure of a material usually relate to?
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