Practice Definition (4.1) - Segregation - Civil Engineering Materials, Testing & Evaluation

Practise this section

8 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
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is segregation in concrete?
Show hintHide hint
Think about the components of concrete and how they behave differently.
Question 2.
What is bleeding?
Show hintHide hint
Consider how water behaves in wet concrete.
3Question 3.
What is segregation in concrete?
- Separation of ingredients
- Increase in strength
- Reduction in size
Show hintHide hint
Focus on the behaviors of different materials in concrete.
4Question 4.
True or False: Bleeding only affects the surface layer of concrete.
- True
- False
Show hintHide hint
Consider where you see water during the curing process.
Question 5.
A construction site mixes concrete but allows it to sit for too long before placing. What risks are involved with this practice?
Show hintHide hint
Consider what happens to a mixture that doesn't get used in time.
Question 6.
How can you manage bleeding in a concrete mix on a hot day?
Show hintHide hint
Think about additives that can help modify concrete properties.

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