Quiz on Steel and Cast Iron Properties

What is the maximum carbon content in plain carbon steel?

• 2%

• 1.5%

• 0.8%

• 4%

Which element gives corrosion resistance to stainless steel?

• Nickel

• Chromium

• Manganese

• Silicon

What is the typical carbon content in cast iron?

• 0.2% - 0.5%

• 1% - 1.5%

• 2% - 4%

• 4% - 6%

Which type of cast iron has graphite in flake form?

• White cast iron

• Gray cast iron

• Malleable cast iron

• Alloy cast iron

Which standard is used for steel in India?

• AISI

• IS

• SAE

• EN

Which element gives cast iron its high wear resistance?

• Manganese

• Chromium

• Carbon

• Silicon

Why is manganese added to steel?

• For corrosion resistance

• For hardness and strength

• For ductility

• For elasticity

Why is white cast iron difficult to machine?

• High ductility

• High hardness due to cementite

• Low wear resistance

• High graphite content

Why is gray cast iron preferred for engine blocks?

• High ductility

• Good vibration damping

• Excellent toughness

• High cost

What distinguishes ductile cast iron from grey cast iron?

• Lower carbon content

• Presence of graphite flakes

• Presence of graphite nodules

• High silicon content