Extras And Sundries Flashcards
1
Q
What is the inner part of a stretcher made of?
A
Polyurethane foam
2
Q
What is strong and see through, therefore used for visors?
A
Polycarbonate
3
Q
What material is light and heat resistant? It is often used for space shuttles.
A
Engineering ceramic
4
Q
What does nickel aluminide do?
A
Catalyses the reaction between hydrogen and oxygen. The reaction in that happens in a hydrogen fuel cell.
5
Q
What is polyester used for?
A
Polyester is used as a binder in powder coating
6
Q
What is used to make drill bits harder and more durable?
A
Ceramic coating
7
Q
How would airfix models be made?
A
Injection moulding