Practice Coarse Aggregates (5.1.A.2) - Aggregates

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 are coarse aggregates?
Show hintHide hint
Think of the bigger components in concrete.
Question 2.
Name two types of coarse aggregates.
Show hintHide hint
Consider their sources.
3Question 3.
What is the primary purpose of coarse aggregates in concrete?
- Provide strength
- Aesthetic value
- Color variance
Show hintHide hint
Think of their role in holding up structures.
4Question 4.
Grading of coarse aggregates is essential for which aspect?
- True
- False
Show hintHide hint
Remember the benefits of reducing voids.
Question 5.
Calculate the specific gravity of an aggregate sample weighing 200 kg in water and 120 kg in air.
Show hintHide hint
Recall the specific gravity formula.
Question 6.
Analyze how the use of recycled aggregates might affect the concrete mix's properties and discuss potential adjustments necessary.
Show hintHide hint
Consider how moisture levels might change.

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