Metals Quiz

Which of the following metals is affected by magnetism?

• Copper

• Aluminium

• Iron

• Zinc

What is the main difference between ferrous and non-ferrous metals?

• Ferrous metals contain iron, non-ferrous metals do not.

• Ferrous metals are more expensive than non-ferrous metals.

• Non-ferrous metals are stronger than ferrous metals.

• Non-ferrous metals are magnetic, ferrous metals are not.

What is the purpose of alloying metals?

• To make metals more expensive.

• To improve the qualities of the individual pure metals.

• To make metals more colorful.

• To make metals lighter.

What is the term used for the oxide layer that forms on non-ferrous metals?

• Rust

• Corrosion

• Tarnish

• Patina

Which of the following is a property of cast iron?

• Ductile and malleable

• Very hard and heat resistant

• Smooth skin with soft core, strong when compressed

• Tough and hard, corrosion resistant

Which metal is used for making car bodies and washing machine bodies?

• Cast Iron

• Mild Steel

• High Carbon Steel

• Stainless Steel

What is the composition of high carbon steel?

• Iron + 0.15 - 0.35% carbon

• Iron + 3.5% carbon

• Iron + 0.8 - 1.5% carbon

• Iron + chromium, nickel, magnesium

Which of the following metals is known for being very hard and heat resistant, and remains hard when red?

• Cast Iron

• Mild Steel

• High Carbon Steel

• High Speed Steel

What is a common use for stainless steel?

• Vices and lathe beds

• Car bodies and washing machine bodies

• Tool blades and punches

• Cutlery and sinks

Which metal is known for its good strength/weight ratio, malleability, and resistance to corrosion, and is commonly used in kitchen foil and drinks cans?

• Copper

• Aluminium

• Zinc

• Lead