WorksheetsAdvanced Composite Materials Quiz
Total questions: 10
Worksheet time: 5mins
Which of the following materials is known to fatigue?
Aluminium
Carbon fibre
Nickel
Epoxy resin
What is the commercial name for sheets of carbon fibre impregnated with resin?
Prepreg
Composite sheet
Resin sheet
Carbon laminate
What is a characteristic shared by both aluminium and carbon fibre composites?
High ductility
Brittleness
Ability to be formed around curved surfaces
High Young’s modulus
What is the purpose of an autoclave in the manufacturing of carbon fibre composites?
To refrigerate the prepreg
To cut the prepreg into sheets
To press the prepreg into shape
To cure the prepreg by heating
What is the main difference between aluminium and carbon fibre in terms of deformation?
Aluminium can be plastically deformed
Carbon fibre can be plastically deformed
Aluminium cannot be plastically deformed
Carbon fibre is more ductile than aluminium
Which property makes carbon fibre composites preferable for aerospace applications over aluminium?
Higher strength-to-weight ratio
Greater electrical conductivity
Lower thermal conductivity
Higher density
Which of the following is a disadvantage of using carbon fibre composites?
Low strength
High cost
High weight
Low corrosion resistance
What is a common application of carbon fibre composites in the automotive industry?
Body panels
Exhaust systems
Fuel tanks
Engine blocks
Which process is used to enhance the strength of aluminium alloys?
Annealing
Quenching
Tempering
Age hardening
What is a key environmental concern associated with the production of carbon fibre composites?
High energy consumption
Soil erosion
Water pollution
Deforestation
