Practice Self Desiccation In High Strength Concrete (2.6)

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9 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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6 sample questions

Question 1.
What is the primary function of a power float?
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Think about the tool used for smoothing concrete.
Question 2.
Why is curing important for concrete?
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What keeps concrete hydrated?
3Question 3.
What is the maximum indentation allowed for power floating?
- 1/4 inch
- 1/8 inch
- 1/2 inch
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Remember the specific measurements for finishing methods.
4Question 4.
True or False: Curing helps to prevent cracking in concrete.
- True
- False
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What role does moisture play in the hardening process?
Question 5.
You have a high-strength concrete mix with a water-cement ratio of 0.30. Explain the challenges you might face and how you would mitigate them?
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Think about the water consumption during hydration.
Question 6.
In a project requiring high-quality concrete finishes, how would you determine when to start the troweling process?
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Recall the necessary conditions for the concrete during finishing.

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