Practice Hydrophobic Cement (4.7.8) - Cement – Chemical Composition, Hydration, and Physical Tests

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9 questions

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2 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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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What do we mean by hydrophobic in relation to cement?
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Think about water and its interaction with materials.
Question 2.
Name one additive used in hydrophobic cement.
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What would help repel water?
3Question 3.
What does hydrophobic mean?
- Water-absorbing
- Water-repelling
- Neutral
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Think about water interactions.
4Question 4.
True or False: Hydrophobic cement is ideal for long-term storage.
- True
- False
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Consider cement storage conditions.
Question 5.
Design a hypothetical experiment to compare the moisture absorption rates of regular cement versus hydrophobic cement.
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Focus on the importance of controlled variables.
Question 6.
Assess the potential economic impact of using hydrophobic cement in a region with high rainfall compared to traditional cement.
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Think about maintenance costs under different conditions.

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