Metal Recycling and Properties Quiz

What is the estimated amount of metal used by an average person in the UK during their lifetime?

• 10,000 kg

• 19,000 kg

• 25,000 kg

• 30,000 kg

What does the aluminium recycling logo indicate?

• The product is made of pure aluminium

• The product can be recycled

• The product is non-recyclable

• The product is made of mixed metals

Which type of steel is most likely to be used in medical equipment?

• Cast iron

• Low-carbon steel

• High-carbon steel

• Stainless steel

What is the main characteristic of ferrous metals?

• They contain iron as their largest alloying element

• They do not contain iron

• They are made of pure elements

• They are non-recyclable

What is the main disadvantage of carbon steels when exposed to water?

• They become brittle

• They rust

• They lose strength

• They become non-recyclable

Why is aluminium often alloyed?

• To increase its weight

• To improve its properties

• To make it more expensive

• To reduce its density

What is one advantage of aluminium over carbon steels?

• Higher density

• Better resistance to corrosion

• Lower cost

• Higher melting point

What is one common use of pure copper?

• Making aircraft parts

• Making electrical wires and pipes

• Making steel products

• Making plastic products

What is one use of bronze?

• Making aircraft parts

• Making cast products, including statues

• Making plastic products

• Making electrical wires

What is a common application of titanium?

• Making jewelry

• Manufacturing of aircraft parts

• Construction of buildings

• Production of kitchen utensils