Quiz on Non-Ferrous Aircraft Materials

What is the primary characteristic of non-ferrous metals?

• They are more expensive than ferrous metals

• They have elements other than iron as their base

• They are lighter than ferrous metals

• They contain iron as a principal element

Which of the following is a common non-ferrous material used in aircraft?

• Steel

• Cast Iron

• Aluminium

• Bronze

What is the melting point of aluminium?

• 2000 °F

• 800 °F

• 1250 °F

• 1500 °F

Which alloy is known for its high strength to weight ratio?

• Copper

• Aluminium

• Magnesium

• Titanium

What is the tensile strength of commercially pure aluminium?

• 40000 psi

• 65000 psi

• 25000 psi

• 13000 psi

Which of the following is a heat-treatable aluminium alloy?

• 2024

• 3003

• 5052

• 1100

What is the primary alloying element in the 2000 series aluminium alloys?

• Magnesium

• Zinc

• Copper

• Silicon

Which magnesium alloy is commonly used in aircraft?

• Dowmetal J

• AM3S0

• AM240C

• AM240C4

What is the main use of titanium in aircraft construction?

• Fuel tanks

• Fuselage skins

• Electrical wiring

• Landing gear

Which of the following is a characteristic of titanium?

• Low density

• High thermal conductivity

• High melting point

• Magnetic properties