Practice Durability Enhancing Measures (5) - Durability of Construction Materials

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8 questions

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

Question 1.
What is the recommended water-to-cement ratio for durable concrete?
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Think about how water affects strength.
Question 2.
Name one type of mineral admixture used in concrete.
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It's a common by-product from power plants.
3Question 3.
What is a low water-to-cement ratio's effect on concrete?
- Increases permeability
- Strengthens the concrete
- Makes it difficult to mix
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Remember the acronym 'SWAP'.
4Question 4.
True or False: Coatings applied to concrete surfaces are intended to increase water permeability.
- True
- False
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Think about the function of waterproofing.
Question 5.
Design a concrete mix for a coastal environment with high sulfate exposure. Justify your material choices.
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Consider both strength and chemical resistance.
Question 6.
Evaluate the implications of poor curing on long-term durability in a construction project.
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Think of how plants die without water.

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