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18.1. Importance
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
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- 1.
What is hydration control?
Hint
Think about what happens when concrete gets too hot.
- 2.
Name one cooling method for concrete.
Hint
Consider ways to keep the mix temperature down.
- 3.
What is the main concern with uncontrolled hydration?
- Cracking
- Color change
- Increased cost
Hint
Think about how heat affects solid materials.
- 4.
True or False: Supplementary cementitious materials help to reduce heat during hydration.
- True
- False
Hint
Remember their role in the mix.
- 5.
Consider a concrete pour on a hot day. Describe the steps you would take to ensure proper hydration control.
Hint
Think about how temperature affects your work environment.
- 6.
In what ways can the use of hydration control admixtures influence the setting time of concrete?
Hint
Focus on how admixtures interact with the water-to-cement ratio.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting