Name the two general classifications of corrosion.

Rusting is a _____________ process.

Rusting is a special term, given to the corrosion metal is... .

What two things cause Iron to Rust ?

What is the chemical name given to Rust ?

Rusting can be prevented by

two types of Noble metals

Coating of Zn, Al and Cd on steel are _________ , because their electrode potentials are lower

The following metals would protect iron by electrons flowing to the iron is ... .

What is Ferrous metal

Which metal is commonly used for electric switch-gears?

Which metal is commonly used for Machine tools, vices and engine blocks

The ability of a material to be shaped in all directions without cracking or breaking.

Which picture is showing us clay?

Which object is made of glass?

What is this object made of?

Which of these materials is used to make rain boots?

Handles of cooking pots should be made of?

Which of these are properties of glass?

Ceramics have good ability to withstand high temperatures without softening and deforming under

normal service conditions that’s why they are most widely used for?

Ceramics have good ability to resist chemical attack whoever they lack of

Which one of the following materials is known as hard materials and is usually used as abrasives

and/or cutting tool tips?

Materials used for electric insolators must have a low degree of

Polymers are classified mainly into two categories

When it heated becomes hard and rigid and it can never again be softened by heating

It becomes soften every time they are heated

Engineering materials that have a good resistance to the corrosion