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6.6.1. Origin and Production
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Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
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.
Try these first
- 1.
What is fly ash?
Hint
Think about its origin.
- 2.
Name the two classes of fly ash.
Hint
Consider their calcium content.
- 3.
What is the primary material used to produce fly ash?
- Cement
- Pulverized Coal
- Limestone
Hint
Consider what fuels thermal power plants.
- 4.
True or False: Fly ash has no impact on the workability of concrete.
- True
- False
Hint
Recall how materials affect flow properties.
- 5.
Analyze a concrete mix design containing 30% fly ash. Discuss the potential advantages and disadvantages in terms of strength and workability.
Hint
Consider the hydration process and long-term benefits.
- 6.
Propose an environmental impact assessment for a project using fly ash as a partial replacement for cement. What factors should be considered?
Hint
Think about both immediate and long-term impacts.
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
1 more question available
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