L2 EAL Unit 003 Revision 4

Which property describes a material's ability to be drawn into a wire?

• Ductility

• Malleability

• Hardness

• Toughness

What process involves heating a material and then cooling it slowly to remove internal stresses?

• Tempering

• Hardening

• Annealing

• Normalising

How does hardening affect the brittleness of a material?

• Increases

• Decreases

• No change

• Varies

Why is copper often used in electrical wiring?

• High load bearing capacity

• High thermal conductivity

• High electrical conductivity

• High cost

Which property is the measure of a material's resistance to deformation under load?

• Elasticity

• Strength

• Plasticity

• Toughness

What is the effect of tempering on a material's hardness?

• Increases

• Decreases

• No change

• Fluctuates

Which property makes stainless steel suitable for cutlery?

• Wear resistance

• Electrical conductivity

• Load bearing capacity

• Corrosion resistance

What does the annealing process do to a material's ductility?

• Increases

• Decreases

• No change

• Reduces

Why is aluminium often used in aerospace applications?

• High weight

• High cost

• Low weight

• Poor load bearing capacity

Which property describes a material's ability to return to its original shape after deformation?

• Plasticity

• Elasticity

• Malleability

• Toughness