Practice Admixtures (4) - Cement - Civil Engineering Materials, Testing & Evaluation

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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
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6 sample questions

Question 1.
What is the main function of a plasticizer in concrete?
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Think about how we can make concrete easier to handle.
Question 2.
Name one benefit of using superplasticizers.
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What do we gain in performance?
3Question 3.
What is the primary purpose of using admixtures in concrete?
- To reduce costs
- To modify and enhance properties
- To add color
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Think about their functions.
4Question 4.
True or False: Superplasticizers are used to quicken the curing of concrete.
- True
- False
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Consider the definition of superplasticizers.
Question 5.
You are tasked with designing a concrete mix for a bridge in a cold region. Describe which admixtures you would use and why.
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Consider the environmental challenges in cold weather.
Question 6.
Evaluate the pros and cons of using fly ash as an SCM in concrete mixes versus traditional cement.
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Reflect on environmental impacts versus operational challenges.

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