Practice Use Of Admixtures (11.6.6) - Durability of Concrete

Practise this section

8 questions

Flashcard drill
3 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
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is an admixture in concrete?
Show hintHide hint
Think of how to enhance strength or durability.
Question 2.
Name one benefit of using plasticizers.
Show hintHide hint
Consider why we modify the mix for easier application.
3Question 3.
What is the primary purpose of using admixtures in concrete?
- To reduce weight
- To enhance various properties
- To increase water content
Show hintHide hint
Consider what admixtures are designed to improve.
4Question 4.
True or False: Plasticizers are used to increase the water content in concrete.
- True
- False
Show hintHide hint
Recall the function of plasticizers.
Question 5.
You are tasked with designing a concrete mix for a bridge in a coastal area. What admixtures would you choose, and why?
Show hintHide hint
Think about the environmental conditions the concrete will face.
Question 6.
Consider a structure being built in a cold climate. What role do admixtures play in ensuring its durability?
Show hintHide hint
Reflect on how temperature variations impact concrete.

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