Practice Quality Control Of Aggregates In Site Practice (3.14) - Aggregates for Concrete

Practice: Quality Control of Aggregates in Site Practice

Lesson 3.14Aggregates for Concrete

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9 questions

Flashcard drill
4 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 is the purpose of quality control in aggregates?
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Think about what could happen if the quality is low.
Question 2.
What might contamination in aggregates lead to?
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Consider the effects on physical properties.
3Question 3.
What can contamination of aggregates lead to?
- Increased strength
- Weakened bond
- Improved durability
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Consider what 'contamination' implies for physical bonding.
4Question 4.
Is moisture monitoring important in concrete mix design?
- True
- False
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Think about how it affects water mixing.
Question 5.
Given a situation where aggregates have been found to have high levels of contaminants after sieving, design a corrective action plan to improve aggregate quality without significant construction delays.
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Consider the implications of sourcing and monitoring.
Question 6.
You are on-site, and moisture tests reveal an unexpected increase in moisture content. Propose how to recalibrate the concrete mix design effectively.
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Think about the balance between aggregate moisture and mix design.

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