Practice Improving Durability And Reducing Permeability (6)

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8 questions

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5 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the primary benefit of using pozzolanic admixtures?
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Think about how they interact with lime.
Question 2.
Why is proper curing important for concrete?
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What happens during the hydration process?
3Question 3.
What is the effect of pozzolanic admixtures on concrete?
- Increase permeability
- Reduce pore size
- Decrease strength
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Think about their role in hydration.
4Question 4.
True or False: Proper curing can prevent cracking.
- True
- False
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What effect does extra moisture have?
Question 5.
Evaluate the long-term implications of not using pozzolanic admixtures in concrete exposed to harsh environments.
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Consider how permeability affects concrete durability over time.
Question 6.
Calculate the optimal water-cement ratio for a concrete mix intended for a marine environment.
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Think about how this ratio relates to the concrete's intended use.

4 more questions in this section. Enroll free to practise them all.