Practice Types Of Mineral Admixtures (3.1) - Chemical and Mineral Admixtures

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10 questions

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6 sample questions

Question 1.
What is Fly Ash and how does it benefit concrete?
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Think about its origin and properties.
Question 2.
What type of mineral admixture is Silica Fume?
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Consider its origin and application.
3Question 3.
What is the primary benefit of Fly Ash in concrete mixes?
- Increases setting time
- Improves workability
- Decreases density
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Think about how it helps rather than what it avoids.
4Question 4.
True or False: Silica Fume can significantly reduce the permeability of concrete.
- True
- False
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Consider its impact on durability.
Question 5.
If a concrete mix consists of 200 kg of cement, how much Fly Ash should be added for optimal performance?
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Calculate 25% of the cement weight.
Question 6.
Discuss the role of GGBS in mitigating temperature rise during concrete hydration and the implications for structural integrity.
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Think about thermal dynamics in concrete structures.

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