Metal and Alloys Quiz

Why is mild steel such a popular material for the construction of buildings and vehicles?

• It is lightweight and easy to shape.

• It is strong and durable.

• It is resistant to rust without any treatment.

• It is the cheapest metal available.

What is the primary characteristic of ferrous metals?

• They contain iron and can rust.

• They are non-magnetic.

• They do not contain iron.

• They are resistant to rust.

What is bauxite?

• A type of alloy.

• A type of ferrous metal.

• The ore from which aluminium is extracted.

• A synthetic metal.

Which of the following is a common example of a ferrous metal?

• Aluminium

• Copper

• Mild steel

• Gold

What is the appearance of low carbon steel?

• Dull, varying shades of grey

• Bright grey with a smooth texture

• Very shiny and reflective

• Dark brown with a rough texture

What is a common use for cast iron?

• Construction girders

• Kitchen pots and pans

• Car bodies

• Scissors

What is the carbon content range for low carbon steel?

• 0.6 - 1.5%

• 2.4 - 4%

• 0.05 - 0.3%

• 1.5 - 2.5%

What is the appearance of cast iron?

• Bright grey with a smooth texture

• Very shiny and reflective

• Dull, varying shades of grey

• Dark brown with a rough texture

Which of the following is a precious metal?

• Iron

• Copper

• Gold

• Aluminum

What is a characteristic of low carbon steel?

• Hard and brittle

• Tough and ductile

• Very shiny

• Soft and malleable