DnT- Protecting Metal Flashcards
1
Q
Rust occurs when
A
A metal slowly changes into a new substance while the original metal is eaten away
2
Q
Cause of rust
A
Exposure to oxygen and moisture
Corrosion
3
Q
To prevent corrosion of static metal
A
You can paint or galvanize the metal
4
Q
2 kinds of protection
A
Physical and chemical
5
Q
To protect metal moving parts
A
One must apply oil or grease that lubricates while protecting
