Glass, ceramics and composites knowledge check

A composite material is made of 

• A single material
• Two or more separate materials
• Two or more chemically combined materials
• None of these

A composite material has:

• The same functionality as its components
• Lower functionality than its components
• Higher functionality than its components
• None of these

An alloy is harder than its pure metal because the foreign atoms in the alloy

• increase the bond strength between the atoms.

• increase the empty spaces between the atoms.

• react with the pure metal atoms to form a compound.

• reduce the ability of the atoms to slide across each other.

What is the main ingredient in glass?

• soda ash
• limestone
• borax
• silica

Which of the following types of glass has the lowest melting point and can be blown into various shapes?

• Lead glass

• soda lime glass

• Borosilicate glass

• Fused silica glass

The type of glass used to make laboratory glass ware is

• Borosilicate glass

• Fused glass

• Lead glass

• Soda glass

Which type of glass is most commonly used in cookware?

• soda lime glass
• borosilicate glass
• laminated glass
• fused silica glass

Which of the following types of glass has the lowest melting point and can be blown into various shapes?

• Lead glass

• soda lime glass

• Borosilicate glass

• Fused silica glass

Reinforced concrete ...

• is weak
• contains steel bars
• has timber in it
• is cast in-sity

What are the reinforcements of a composite?

• The strengtheners of the composite
• The base of the composite
• The mold that the composite is poured in 
• The volume of a composite