7.3 - Precautions
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Practice Questions
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What is segregation in concrete?
💡 Hint: Think about the components of concrete.
What causes rapid evaporation in fresh concrete?
💡 Hint: Consider elements of the weather.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the term for the separation of aggregates in fresh concrete?
💡 Hint: Think about why mixing is so important.
True or False: Over-vibrating concrete can cause segregation.
💡 Hint: Consider what happens when you shake things too much.
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Challenge Problems
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How does temperature affect the initial setting time of concrete?
💡 Hint: Think about how heat affects other processes in life.
Analyze the risks of not covering fresh concrete during placement in the rain.
💡 Hint: What happens when you add too much water to a solid mixture?
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