Practice Absorption And Moisture Content (3.7.2)

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8 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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the definition of absorption in aggregates?
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Think about how it affects concrete mix design.
Question 2.
Name one moisture state of aggregates.
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Recall the moisture content examples discussed.
3Question 3.
What state describes aggregates that are completely dry?
- Bone dry
- Saturated surface dry
- Wet
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Recall the different states discussed.
4Question 4.
True or False: Wet aggregates do not affect the water-cement ratio.
- True
- False
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Consider why moisture is added through aggregates.
Question 5.
Given an aggregate absorption of 5% and a total aggregate volume of 500 liters, calculate the amount of additional water needed for a concrete mix.
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Consider the absorption rate and total volume.
Question 6.
Discuss how using a saturated surface dry aggregate can improve concrete performance in a structural application.
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Think about the hydration process and its role in concrete strength.

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