Composite materials (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is the key principle behind composite materials?
What is the key principle behind composite materials?
Combining 2+ materials for better properties
What is GRP also commonly known as?
What is GRP also commonly known as?
Fibreglass
How does the cost of producing GRP compare to carbon fibre alternatives?
How does the cost of producing GRP compare to carbon fibre alternatives?
GRP costs less to produce
What strength characteristic does GRP provide?
What strength characteristic does GRP provide?
Good strength-to-weight ratio
Which of these is a typical use of GRP?
Which of these is a typical use of GRP?
Canoes
What safety hazard occurs when cutting or sanding GRP?
What safety hazard occurs when cutting or sanding GRP?
Glass fibres become airborne
How does CFRP's strength-to-weight ratio compare to GRP?
How does CFRP's strength-to-weight ratio compare to GRP?
CFRP has excellent ratio, better than GRP
What stiffness advantage does CFRP have over GRP?
What stiffness advantage does CFRP have over GRP?
Greater stiffness than glass fibres
Why is CFRP used in aircraft components?
Why is CFRP used in aircraft components?
Weight savings = fuel efficiency
How is each plywood veneer layer positioned relative to adjacent layers?
How is each plywood veneer layer positioned relative to adjacent layers?
Grain at 90 degrees to adjacent layers
What is always true about the number of layers in plywood?
What is always true about the number of layers in plywood?
The number is always odd
What stability advantage does plywood have over solid wood?
What stability advantage does plywood have over solid wood?
Stability in all directions
