Which of these materials is an example of a ceramic?
Porcelain
Bronze
Chipboard
Which of these materials is an example of a composite material?
Brass
Reinforced concrete
Polyester
Which properties are typical of a clay ceramic?
Strong in compression and in tension
Strong in compression but weak in tension
Weak in compression and in tension
Which properties are typical of glass ceramic?
Opaque, brittle, good conductor of electricity
Transparent, brittle, poor conductor of electricity
Transparent, malleable, poor conductor of electricity
Which properties are typical of a metal?
Good conductor of electricity, malleable, weak in tension and compression
Good conductor of electricity, brittle, strong in tension and compression
Good conductor of electricity, malleable, strong in tension and compression
How does the density of a polymer compare with a typical metal?
A polymer is more dense than a metal
A polymer is less dense than a metal
The density of a polymer is similar to that of a metal
Which of these is the correct description of fibreglass?
Carbon fibre reinforcement in a polymer resin matrix
Polymer resin reinforcement in a glass fibre matrix
Glass fibre reinforcement in a polymer resin matrix
What property do steel rods bring to reinforced concrete?
Additional tensile strength
Additional compressive strength
Additional tensile and compressive strength
Which of these is the best type of material to make a strong but lightweight tennis racket?
Ceramic
Carbon fibre composite
Wood
Which properties are important when choosing a material to make a strong but lightweight aeroplane wing?
Electrical conductivity and hardness
Malleability and strength
Strength, flexibility and density