Practice Origin And Production (6.2.1) - Mineral Admixtures

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9 questions

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6 sample questions

Question 1.
What is fly ash?
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Think about what is produced when coal is burned?
Question 2.
What are the two types of fly ash?
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Recall the letters used to categorize fly ash.
3Question 3.
What is the primary source of fly ash?
- Burning of natural gas
- Combustion of coal
- Solar power generation
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Think about fossil fuels commonly used for energy.
4Question 4.
True or False: Class F fly ash is high in calcium.
- True
- False
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Recall the characteristics of Class F.
Question 5.
Describe the effects of replacing 30% of cement with Class C fly ash in a concrete mix. Include considerations of strength, durability, and hydration heat.
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Consider the trade-offs in short-term vs. long-term performance.
Question 6.
How would you approach a project requiring mass concrete where heat generation needs to be controlled using fly ash? Outline the steps you would take.
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Think about combining environmental considerations with material choice.

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