Unit 1

This is a mechanical property

• Corrosion resistance

• Ductility

• Electrical conductivity

• Density

These are physical properties

• Density

• Ductility

• Stiffness

• Electrical conductivity

• Fusibility

The corrosion resistance in stainless steel is due to the formation of iron oxide.

• True

• False

Pick the odd one out

• Strength

• Toughness

• Stiffness

• Resilience

Give two properties of brass

• Low electrical conductivity

• High electrical conductivity

• Low corrosion resistance

• High corrosion resistance

• Low melting point

Pick the odd one out

• Iron

• Steel

• Copper

• Aluminium

Pick the odd one out

• Steel

• Brass

• Bronze

• Alumina

Give the advantage of using magnesia in a furnace

• High hardness

• Low thermal conductivity

• High melting point

• Low ductility

Stiffness is the ability of a material to resist plastic deformation

• False

• True

Classify polyvinyl chloride

• Metal

• Polymer

• Ceramic

• Composite