Metal

What is mean ferrous metal?

• metal that contains iron

• metal that does not contain iron

• metal that contain iron and no iron,

Which of the following are properties of ferrous metals?

• Low friction

• Good conductor

• Corrossion resistance

• Strong metal

Which are the following examples of non- ferrous metals?

(You may choose more than 1 answer)

• Mild steel

• Stainless steel

• Duralumin

• Brass

Which of the following metals, do not corrode?

(You may choose more than one answer)

• aluminium

• duralumin

• stainless steel

• Brass

List the metal fittings that can be use to enhance the function of metal projects.

Which is from the following answer is arranged from the highest boiling point to the lowest?

• Tool steel --> Stainless steel --> Brass --> Bronze --> Aluminium --> Duralumin

• Duralumin --> Bronze --> Stainless steel --> Tool steel --> Brass --> Aluminium

• Tool steel --> Stainless steel --> Bronze --> Brass

  --> Aluminum

  --> Duralumin

• Duralumin --> Aluminum--> Stainless steel --> Tool steel --> Brass --> Bronze

Why do you think some of the metal does not easily rust?

List 2 metal finishes.

Which of the following is not used to join metals?

• self tapping screws

• solid rivets

• Soldering

• Stitching

What is the function of this tool?

• Bending and shaping sheet metal

• general purpose metalworking (hammering and riveting)

• folding, bending, and forming sheet metal