Practice First-flushing (11.5) - Coarse mesh

Practise this section

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

6 sample questions

Question 1.
What is the purpose of a first-flush device?
Show hintHide hint
Think about what happens when it first rains.
Question 2.
Name one pollutant that might be found in the first-flush.
Show hintHide hint
No hint provided
3Question 3.
What does a first-flush device do?
- Collects all rainwater
- Diverts the initial runoff
- Cleans rainwater
Show hintHide hint
Think about the purpose of filtering contaminants.
4Question 4.
True or False: The first rainwater collected after a storm is clean.
- True
- False
Show hintHide hint
What do you think happens during the first rainfall.
Question 5.
Design a first-flush device for a small community with varying rainfall patterns. Discuss the components you would include and how each contributes to water quality.
Show hintHide hint
Think about how the community’s environment affects rainfall characteristics.
Question 6.
Analyze the impact of pollutants found in the first runoff on different applications of rainwater, such as irrigation vs drinking.
Show hintHide hint
Consider the toxicity levels of pollutants in both applications.

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