Quiz: Section 1.2 Classification

1. The tail fin of Airbus A310-300 is made of composites. How much was the mass of the tail fin, as compared to the metal fin, reduced by?

2. Which one of these is a thermoplastic?

3. Which of the polymers given below is the most desirable for low smoke emission?

4. What does RTM stand for?

5. What approximate range of temperatures do satellites face in space?

6. Which fiber reinforcement is most used for bullet proof vests?

7. What is the primary source of ceramic matrix composites in improving toughness?

8. Thermosetting resins have three curing stages. At what stage does it result in irreversible hardening and insolubility?

9. Which of the following composites are replacing metals in golf club shafts?

10. What is one of the reasons composite materials are chosen for space applications?