Practice Challenges (7.1) - Classification of Plastics - Civil Engineering Materials, Testing & Evaluation - Vol 2

Practice: Challenges

Lesson 7.1Classification of Plastics

Practise this section

9 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
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does non-biodegradable mean?
Show hintHide hint
Think about how long they last in the environment.
Question 2.
Name a harmful gas that can be released during incineration.
Show hintHide hint
Recall one of the toxins discussed earlier.
3Question 3.
What is the main problem with non-biodegradable plastics?
- They are too expensive
- They do not decompose
- They are too light
Show hintHide hint
Think about how long plastics last in nature.
4Question 4.
True or False: Incinerating plastics always produces harmful gases.
- True
- False
Show hintHide hint
Recall the discussion on incineration risks.
Question 5.
Propose a comprehensive plan to tackle the challenges posed by plastics in civil engineering, outlining specific strategies for reducing their impact.
Show hintHide hint
Think about multi-faceted approaches that involve people, policy, and technology.
Question 6.
Analyze the long-term implications of continued reliance on non-biodegradable plastics for infrastructure projects, discussing both environmental and logistical challenges.
Show hintHide hint
Consider what happens to these materials after their intended use.

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