L2 EAL Unit 003 Revision 5

What is a primary factor in selecting engineering materials?

• Colour

• Cost

• Taste

• Smell

Which material is classified as a thermoplastic?

• Polyester resin

• Nylon

• Bakelite

• Epoxy resin

Which of the following is a property of stainless steel?

• Poor corrosion resistance

• High tensile strength

• Low melting point

• Poor durability

What is an example of a non-metallic material?

• Copper

• Aluminium

• Nylon

• Bronze

Which form of supply is typically used for making pipes?

• Plate

• Wire

• Tube

• Sheet

Which material is known for its excellent electrical conductivity?

• Lead

• Copper

• Rubber

• Wood

What is a common application for aluminium alloys?

• Electrical insulation

• Structural components

• Lubrication

• Soundproofing

Which of the following is considered a composite material?

• Brass

• Carbon fibre

• Stainless steel

• Lead

Which material is typically used for making car tyres?

• Brass

• PVC

• Rubber

• Perspex

What is the main advantage of using cast iron in engineering?

• High ductility

• Low weight

• High compressive strength

• High electrical conductivity