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3.1.5. Rice Husk Ash (RHA)
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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 Rice Husk Ash?
Hint
Think about what happens to rice husks when burned.
- 2.
What is the recommended dosage of RHA in concrete?
Hint
Recall the range mentioned in class.
- 3.
What is Rice Husk Ash primarily used for?
- Fuel
- Fertilizer
- Concrete admixture
Hint
Recall its role in construction.
- 4.
True or False: RHA improves concrete's resistance to chloride.
- True
- False
Hint
Think about what benefits RHA provides.
- 5.
Design a concrete mix that utilizes RHA. Calculate the amounts of each component if the total cement content is 500 kg.
Hint
Consider the proportions carefully.
- 6.
Discuss how incorporating RHA impacts the sustainability of a concrete project compared to traditional concrete.
Hint
Think about environmental benefits.
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