Understanding Engineering Materials and Properties

Which of the following is a characteristic of stainless steel that makes it suitable for kitchen utensils?

• High electrical conductivity

• Corrosion resistance

• Low density

• High acoustic absorption

What is the primary reason for using carbon fibre in aerospace applications?

• High thermal conductivity

• Low cost

• High strength-to-weight ratio

• Magnetic properties

Which of the following materials is non-magnetic?

• Low carbon steel

• Nickel

• Aluminium

• Cast iron

What is the main advantage of using thermoplastic materials in manufacturing?

• High temperature stability

• Ability to be remoulded

• High wear resistance

• High density

Which test can be used to identify ferrous metals based on their spark pattern?

• Density test

• Spark test

• Colour test

• Acoustic test

Which of the following materials is known for its excellent acoustic absorption properties?

• Copper

• Hard wood

• Soft wood

• Glass fibre

What is the primary reason for using titanium in medical implants?

• High electrical conductivity

• Biocompatibility

• Low cost

• High density

Which of the following materials is typically used for electrical insulation?

• Copper

• Brass

• Plastic

• Bronze

Which property is most important for materials used in high-temperature applications?

• High density

• High thermal conductivity

• High temperature stability

• High electrical conductivity

Which of the following materials is a composite?

• Brass

• Carbon fibre

• Aluminium

• Cast iron