Exploring Composite Materials and Timbers

What is a common type of composite material used in the aerospace industry?

• Plywood

• Carbon Fibre Reinforced Polymer

• Concrete

• Fibreglass

Which of the following is a property of natural timbers?

• High electrical conductivity

• Biodegradability

• Non-renewability

• High thermal expansion

What is a typical application of composite materials in the automotive industry?

• Engine blocks

• Tyres

• Body panels

• Fuel tanks

Which of the following is a sustainable practice in timber use?

• Clear-cutting forests

• Using only old-growth trees

• Replanting harvested areas

• Burning timber waste

What is a common manufacturing process for composite materials?

• Injection moulding

• Hand lay-up

• Die casting

• Extrusion

Which material is generally stronger in tension, carbon fibre composites or natural timbers?

• Natural timbers

• Carbon fibre composites

• Both are equal

• It depends on the specific type of timber

Which of the following is a type of natural timber?

• Kevlar

• Oak

• Polyethylene

• Aluminium

What is a key advantage of using composite materials in construction?

• High density

• Corrosion resistance

• Low cost

• High thermal conductivity

Which property of natural timbers makes them suitable for furniture making?

• High electrical resistance

• Aesthetic grain patterns

• High melting point

• Low density

What is a disadvantage of using composite materials?

• High weight

• Difficulty in recycling

• Low strength

• High thermal expansion