Quiz: Metals - Crystals, Grains, and Grain Size Effects
Pearson Level 3 Alternative Academic Qualification BTEC National in Engineering (Extended Certificate)
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Building on your understanding of engineering sectors and materials, let's explore how the structure of metals affects their properties!
What is the arrangement of atoms in a crystal structure?
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Which factors can influence the grain size of a metal? (Select all that apply)
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Grain boundaries in metals are the regions where {{blank0}} meet, and they can affect the material's {{blank1}}.
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Match the items on the left with their correct pairs on the right
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If a metal cools at a rate of 5°C per minute, and it solidifies at 700°C, how long does it take to cool to 400°C?
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What effect does reducing the grain size of a metal typically have on its properties?
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Match the items on the left with their correct pairs on the right
What is the term for the process of controlling grain size by heating and cooling a metal?
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Which of the following are properties affected by grain size in metals? (Select all that apply)
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When a metal is rapidly cooled, it forms {{blank0}} grains, which generally {{blank1}} its strength.
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