Practice Origin And Production (6.6.1) - Mineral Admixtures

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6 sample questions

Question 1.
What is fly ash?
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Think about its origin.
Question 2.
Name the two classes of fly ash.
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Consider their calcium content.
3Question 3.
What is the primary material used to produce fly ash?
- Cement
- Pulverized Coal
- Limestone
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Consider what fuels thermal power plants.
4Question 4.
True or False: Fly ash has no impact on the workability of concrete.
- True
- False
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Recall how materials affect flow properties.
Question 5.
Analyze a concrete mix design containing 30% fly ash. Discuss the potential advantages and disadvantages in terms of strength and workability.
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Consider the hydration process and long-term benefits.
Question 6.
Propose an environmental impact assessment for a project using fly ash as a partial replacement for cement. What factors should be considered?
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Think about both immediate and long-term impacts.

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