Practice Based On Function (1.1) - Chemical and Mineral Admixtures

Practise this section

9 questions

Flashcard drill
2 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 is the purpose of chemical admixtures?
Show hintHide hint
Think about how they change the behavior of concrete.
Question 2.
Name one type of mineral admixture.
Show hintHide hint
Consider by-products of industrial processes.
3Question 3.
What do chemical admixtures primarily affect?
- Short-term properties
- Long-term properties
- Surface properties
Show hintHide hint
Think about how they modify workability or setting time.
4Question 4.
True or False: Mineral admixtures are always synthetically produced.
- True
- False
Show hintHide hint
Consider where these materials come from.
Question 5.
A construction project requires high flowable concrete with minimal water use due to limited supply. Which admixture would you choose and why?
Show hintHide hint
Think about the type of admixture that improves flow without adding water.
Question 6.
In extreme hot weather, large pours are scheduled for a building foundation. Discuss potential admixtures that would be useful and their roles.
Show hintHide hint
Consider admixtures that address setting time and workability.

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