Practice Effects On Concrete (6.3.3) - Mineral Admixtures

Practise this section

9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What are mineral admixtures?
Show hintHide hint
Think about materials that enhance qualities of concrete.
Question 2.
Name one property that fly ash improves in concrete.
Show hintHide hint
Consider how it affects mixing and pouring.
3Question 3.
What is one primary purpose of mineral admixtures in concrete?
- Reduce water demand
- Increase shrinkage
- Make concrete darker
- Increase weight
Show hintHide hint
Think about how they interact with water in the mix.
4Question 4.
True or False: Silica fume can decrease the permeability of concrete.
- True
- False
Show hintHide hint
Consider the impact of fine particles on water passage.
Question 5.
Discuss the long-term environmental impacts of using mineral admixtures in concrete and how they contribute to sustainable construction.
Show hintHide hint
Consider how waste materials can replace traditional materials.
Question 6.
Evaluate the trade-offs of early strength gain versus long-term durability when using different mineral admixtures.
Show hintHide hint
Think about specific applications that may require quick strength versus long-term performance.

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