What are ferrous metals primarily composed of?

• Copper

• Iron

• Nickel

• Aluminum

Which of the following is a characteristic of non-ferrous metals?

• Are usually more resistant to corrosion

• Contain a large percentage of iron

• Are magnetic

• Are heavier than ferrous metals

What is the main alloying element in carbon steel?

• Manganese

• Carbon

• Chromium

• Nickel

Which type of steel contains more than 5% alloying elements?

• Carbon steel

• High-alloy steel

• Low-alloy steel

• Stainless steel

What is the primary use of stainless steel?

• Cutlery

• Automotive parts

• Electrical wiring

• Water pipes

Which type of cast iron is known for its brittleness?

• Nodular cast iron

• Gray cast iron

• Malleable cast iron

• White cast iron

What is the carbon content range in gray cast iron?

• 2.5% - 4.0%

• 3.0% - 4.0%

• 1.8% - 3.6%

• 0.5% - 1.5%

Which type of steel is known for high corrosion resistance?

• Stainless steel

• Alloy steel

• Tool steel

• Carbon steel

What is the main characteristic of nodular cast iron?

• Is difficult to machine

• Is very brittle

• Contains graphite nodules

• Contains graphite flakes

Which of the following is a property of high carbon steel?

• Low strength

• High ductility

• High hardness

• Low wear resistance