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Questions and Answers
What is diffusion?
What is diffusion?
- Mass transport by atomic motion (correct)
- Mass transport by molecular motion
- Mass transport by gravitational motion
- Mass transport by electromagnetic motion
In an alloy, where do atoms tend to migrate?
In an alloy, where do atoms tend to migrate?
- From regions of low concentration to regions of high concentration
- They migrate randomly within the alloy
- From regions of high concentration to regions of low concentration (correct)
- They do not migrate in an alloy
In an elemental solid, what is the term for the migration of atoms?
In an elemental solid, what is the term for the migration of atoms?
- Vacancy diffusion
- Interstitial diffusion
- Self-diffusion (correct)
- Inter-diffusion
How is diffusion in gases and liquids primarily characterized?
How is diffusion in gases and liquids primarily characterized?
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What is the primary mechanism for diffusion in solids?
What is the primary mechanism for diffusion in solids?
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In material engineering, diffusion is primarily a result of which of the following?
In material engineering, diffusion is primarily a result of which of the following?
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What is the primary mechanism for diffusion in elemental solids?
What is the primary mechanism for diffusion in elemental solids?
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In an alloy, where do atoms tend to migrate over time?
In an alloy, where do atoms tend to migrate over time?
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What primarily characterizes diffusion in gases and liquids?
What primarily characterizes diffusion in gases and liquids?
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Can diffusion be predicted and calculated in material engineering?
Can diffusion be predicted and calculated in material engineering?
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