Eduqas Metals Quiz

What are the three categories into which materials can be grouped according to the text?

• Metals, Composite materials, Smart materials

• Metals, Plastics, Composite materials

• Metals, Plastics, Smart materials

• Metals, Plastics, Ceramics

What is the primary component of ferrous metals?

• Carbon

• Iron

• Aluminum

• Copper

According to the text, why is pure iron not very useful on its own?

• It is too hard

• It is too expensive

• It is too brittle

• It is too soft

How is iron typically made more useful, as mentioned in the text?

• By cooling it rapidly

• By adding small amounts of carbon

• By mixing it with aluminum

• By exposing it to air

What is the carbon content range of mild steel?

• 0.1-0.3%

• 1.5-5%

• 0.03-1%

• 1-4.8%

Which type of steel is known for its high resistance to abrasion and ability to hold shape under high temperatures?

• Mild steel

• Tool steel

• Stainless steel

• Cast iron

What additional elements does stainless steel commonly include besides iron and carbon?

• Tungsten, chromium, vanadium

• Chromium and nickel

• Silicon and nickel

• Tungsten and silicon

Which application is not a typical use for cast iron?

• Machine parts

• Cutlery

• Engine parts

• Cooking pots

What is the primary characteristic of non-ferrous metals as mentioned in the document?

• They contain iron

• They do not contain iron

• They are all less dense than iron

• They are primarily used in construction

Which metal is described as being one third less dense than iron, making it lightweight?

• Copper

• Gold

• Aluminium

• Lead