Physical Properties of Materials Quiz

What happens to steel when the carbon content is increased?

• Strength decreases

• Ductility improves

• Softness increases

• Hardness increases

What type of metal has a higher melting temperature

• Metal can't melt

• Non-ferrous

• Ferrous

• Both are the same

Which of the following commonly happens to steel after hardening process?

• It becomes too ductile

• It becomes too tougher

• It becomes too malleable

• It becomes too brittle

Electrical Conductivity is described as . . .

• the ability of material to twist easily

• the ability of material to block an electric current passing through it

• the ability of material to easily pass an electric current through it

• the ability of material to store chemical energy

A material that returns to its original shape after a load is removed can be described as

• A metallic material

• Corrosive material

• A tough material

• An elastic material

Materials ability to be beaten or hammered into sheets

• lustre

• brittle

• malleable

• insulator

What is electrical insulation used for?

• To keep the electricity warm

• Encourage faster electrical supply to the grid

• To prevent the flow of electrical current

• To allow electricity to pass easily from the power station

What is the process of improving the properties of steel through controlled heating and cooling?

• Heat treatment

• Hardening

• Tempering

• Normalizing

Which of the below is a Physical property of a material?

• Density

• Young's modulus of elasticity

• Shear modulus

• Tensile strength

What is tempering?

• The process of keeping steel under pressure

• The controlled reheating of hardened steel

• The welding process joining two pieces of metal together

• The flexibility allowing metal to return to its original form