Practice Mechanisms Of Permeability (2.2) - Durability of Concrete - Civil Engineering Materials, Testing & Evaluation - Vol 1

Practice: Mechanisms of Permeability

Lesson 2.2Durability of Concrete

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.
Define permeability in the context of concrete.
Show hintHide hint
Think about how the structure of concrete interacts with liquids.
Question 2.
What is capillary suction?
Show hintHide hint
Consider how a sponge absorbs water.
3Question 3.
What is the main effect of capillary suction in concrete?
- A) Increases durability
- B) Accelerates moisture ingress
- C) Enhances compressive strength
Show hintHide hint
Think about what happens when water enters concrete.
4Question 4.
True or False: Higher water-cement ratios generally lead to lower permeability.
- True
- False
Show hintHide hint
Consider the relationship between water amount and porosity.
Question 5.
Analyze the impact of a high water-cement ratio on the durability of concrete exposed to harsh environmental conditions.
Show hintHide hint
Consider how the internal structure of concrete changes with different mixing ratios.
Question 6.
Evaluate curing methods that might effectively reduce the permeability of concrete.
Show hintHide hint
Think about how moisture retention affects concrete's ability to withstand environmental conditions.

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