Properties of Materials

What is copper used for ?

• Electric wiring

• Adhesives

• Glazing.

• Double glazing

What is copper used for ?

• Adhesives

• Aircraft

• Glazing..

• Double glazing.

What is the alloy below?

• Mild steel

• Brass.

• Copper

• All are correct

What are the types of thermoplastics ?

• Acrylic, nylon and ABS

• Polyester resin, acrylic, nylon

• Epoxy, nylon and ABS

• Acrylic, epoxy and nylon

What are the properties of copper ?

• Malleable, tough and ductile, lowly conductive, corrosion-resistant.

• Very malleable, tough and ductile, lowly conductive, corrosion-resistant.

• Very malleable, tough and ductile, highly conductive, corrosion-resistant.

• Very malleable, tough and ductile, insulation, corrosion-resistant.

What are the types of thermosetting plastics ?

• Polyester resin, nylon and ABS

• Polyester resin, epoxy and urea formaldehyde

• Epoxy and urea formaldehyde, acrylic

• Epoxy, Acrylic, urea formaldehyde

What are the properties of brass ?

• High strength, ductile, tough, fairly malleable

• Corrosion- resistant, difficultly machined, cast well

• Can be work hardened, bad conductor

• Very corrosion-resistant, cast well, easily machined

What is ABS used for ?

• Safety helmets

• Car components

• Telephones

• All are correct

What are the properties of mildsteel ?

• High strength, ductile, tough, fairly malleable, can not be hardened and tempered, poor corrosion-resistance

• Hardest of the carbon steels but less ductile and malleable

• Can be hardened and tempered.

• Low strength, ductile, tough

What are the properties of aluminium ?

• Light, hard, solid, lowly conductive, heat-resistant

• Light, soft, ductile, highly conductive, corrosion-resistant

• Soft, hard, lowly conductive, corrosion-resistant.

• Soft, malleable, tough, heat-resistant.