WorksheetsComposite materials
Total questions: 15
Worksheet time: 2mins
A composite material is made up of
A single material
Two or more separated materials
Two or more chemically combined materials
None of these
Which of the following composite material is paired correctly with its uses?
A
B
C
D
Which of the following are the major constituents of reinforced concrete?
I, II and III
I, III and IV
I, II and IV
I and II only
Which composite material is used to make skis?
Optical fibres
Photochromic glass
Fibre glass
Reinforced concrete
Which of the following are the advantages of optical fibre?
I, II and IV
I, II and III
II, III and IV
I and II only
Which substance is not a composite material?
Ceramics
Alloys
Concrete
Superconductor
What are the properties of photochromic glass?
(a)
The steel bar in reinforced concrete contributes_______ to the concrete.
Hardness
Malleability
Tensile strength
Compression strength
Fibre glass is stronger than steel.
True
False
Usually stronger constituent of a composite is
Matrix
Reinforcement
Both are of equal strength
None of these
A
B
C
D
Which statement about a composite material is true?
it consists of two or more homogenous substances
it is better than the materials that make it up
it consists of two or more different materials
the original components have same physical properties but different chemical properties
Both fibre optic and copper wire transmit data.
True
False
Fibre optic transmit data in the form of_________ and used in___________.
(a)
Why are composite materials so widely used?
They all wash better than non- composite materials.
They are all much stronger than non- composite materials.
They combine the properties of all the materials they are made from.
They are all waterproof.
