Properties of Materials

Which of the following materials is known for its high electrical conductivity?

• Wood

• Glass

• Copper

• Plastic

What is a primary characteristic of composite materials?

• Uniform properties throughout

• High density

• Combination of properties from different materials

• Low melting points

Glass fiber reinforced plastic (GFRP) is an example of which type of material?

• Ceramic

• Polymer

• Composite

• Metal

Ceramics are known for which of the following properties?

• High thermal conductivity

• High electrical conductivity

• High melting points and brittleness

• High ductility and malleability

Which property is defined as the ability of a material to return to its original shape after deformation?

• Plasticity

• Elasticity

• Malleability

• Ductility

Stainless steel is classified as which type of material?

• Pure metal

• Alloy

• Polymer

• Ceramic

Piezoelectric materials are known for their ability to:

• Conduct electricity at low temperatures

• Generate an electric charge in response to mechanical stress

• Absorb and retain large amounts of heat

• Exhibit superconductivity at high temperatures

Which material property is most important for materials used in electrical insulation?

• Thermal conductivity

• Electrical conductivity

• Electrical resistivity

• Tensile strength

What property of a material measures its resistance to deformation?

• Conductivity

• Hardness

• Ductility

• Brittleness

What is the primary advantage of using smart materials?

• They are less expensive than traditional materials.

• They have properties that can be significantly changed in a controlled fashion.

• They have higher melting points than traditional materials.

• They are always more environmentally friendly.