Material mechanical physical thermal electrical magnetic quiz

Which property describes a material's ability to resist deformation or failure under load?

• Hardness

• Ductility

• Strength

• Toughness

What is the key property of a material that allows it to deform plastically without breaking?

• Density

• Ductility

• Thermal conductivity

• Electrical conductivity

Which property is defined as the mass per unit volume of a material?

• Porosity

• Density

• Melting point

• Heat capacity

What is the term for the ability of a material to conduct heat?

• Thermal expansion

• Electrical conductivity

• Thermal conductivity

• Dielectric strength

Which property describes a material's ability to withstand electric fields without breakdown?

• Electrical conductivity

• Dielectric strength

• Thermal expansion

• Toughness

What is the ability of a material to support magnetic field formation called?

• Retentivity

• Permeability

• Coercivity

• Conductivity

Which material is used in transformer cores to enhance magnetic field efficiency due to its high magnetic permeability?

• Copper

• Aluminum

• Soft iron

• Nickel

What property of metals makes them suitable for use in electrical wiring?

• High thermal conductivity

• High magnetic permeability

• High electrical conductivity

• High mechanical strength

Which of the following is a mechanical property of polymers?

• High strength and stiffness

• High elasticity and impact resistance

• High thermal conductivity

• High electrical conductivity

What is a common application of polymers due to their electrical properties?

• Structural beams

• Heat exchangers

• Cable coatings

• Automotive body panels