Practice Thermal And Chemical Properties (5.2.3) - Aggregates – Properties, Grading, Testing

Practice: Thermal and Chemical Properties

Lesson 5.2.3Aggregates – Properties, Grading, Testing

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

Question 1.
What does thermal expansion refer to?
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Think about what happens when things heat up or cool down.
Question 2.
What is the significance of soundness in aggregates?
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Consider extreme weather conditions!
3Question 3.
What is the primary concern with thermal expansion in concrete?
- Prevents water absorption
- Leads to cracking if not compatible
- Enhances durability
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Consider how temperature changes affect materials.
4Question 4.
True or False: Chemical stability is not a primary concern for aggregates.
- True
- False
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Think about what can happen over time.
Question 5.
Given a set of aggregates with varying thermal expansion coefficients, calculate the potential cracking risk in a concrete mix intended for temperature-intensive environments.
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Understand the effects of temperature on materials.
Question 6.
Propose a method to find alternative aggregates if tests show high reactivity in a chosen aggregate sample.
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Research what properties make aggregates less reactive.

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