Glass Quiz: questions and answers

1. How many different categories of glass exist?

3

2

4

2. Glass is a mixture of:

Metallic acetates

Non-metallic silicates

Metallic silicates

3. What changes are observed when the glass is heated?

It solidifies

It becomes softer

It bursts

4. Which type of glass is used to manufacture artificial gems, bulbs, lenses, etc?

Special glass

Soda-lime glass

Potash-lead glass

5. Which of the following is not a process involved in glass production?

Extrusion

Forming and shaping

Heat treatment

6. What is the temperature at which a non-crystalline material transforms from a supercooled liquid to rigid glass?

Glass transition temperature

Boiling point

Melting point

7. Glasses show evidence of which fractures?

Brittle

None

Ductile

8. What is the primary component of glass?

Silica

Crystal

Sand

9. What type of glass is dust-free?

Float

Jalousie

Glass block

10. Which type of glass panel is used for glass curtain wall?

20mm thick soild glass

Insulated glass

Tinted glass

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