Podcast
Questions and Answers
What is the composition of soda-lime glass based on the text?
What is the composition of soda-lime glass based on the text?
- 13-17% CaO, 5-10% NaO, 70-75% B2O3
- 13-17% NaO, 5-10% CaO, 70-75% SiO2 (correct)
- 13-17% CaO, 5-10% SiO2, 70-75% NaO
- 13-17% SiO2, 5-10% NaO, 70-75% CaO
Which type of glass is known for its high resistance to thermal shock?
Which type of glass is known for its high resistance to thermal shock?
- Fused quartz
- Silica glass
- Borosilicate glass (correct)
- Soda-lime glass
What is the main difference between borosilicate glass and soda-lime glass?
What is the main difference between borosilicate glass and soda-lime glass?
- Transparency
- Composition
- Expansion coefficient
- Melting point (correct)
Which industrial application is NOT mentioned for silica glass?
Which industrial application is NOT mentioned for silica glass?
What is the identifying substance in clay that results from the alteration of feldspar?
What is the identifying substance in clay that results from the alteration of feldspar?
In the context of technical ceramics, what is the equivalent of mild steel in metals?
In the context of technical ceramics, what is the equivalent of mild steel in metals?
What is the maximum operating temperature influenced by in alumina-based technical ceramics?
What is the maximum operating temperature influenced by in alumina-based technical ceramics?
What is the single crystal form of alumina that is used for watch faces and cockpit windows of high-speed aircraft?
What is the single crystal form of alumina that is used for watch faces and cockpit windows of high-speed aircraft?
What characteristic makes glass ceramic unique compared to other glasses?
What characteristic makes glass ceramic unique compared to other glasses?
What is a typical use of glass ceramics mentioned in the text?
What is a typical use of glass ceramics mentioned in the text?
Why is it stated that glass is 'difficult to work' in the text?
Why is it stated that glass is 'difficult to work' in the text?
What is the process that glass ceramics undergo to achieve their unique characteristics?
What is the process that glass ceramics undergo to achieve their unique characteristics?
What is the purpose of adding Chromium oxide to alumina?
What is the purpose of adding Chromium oxide to alumina?
Which material is nearly as hard as diamond but vastly less expensive?
Which material is nearly as hard as diamond but vastly less expensive?
What is the typical use of Tungsten Carbide (WC)?
What is the typical use of Tungsten Carbide (WC)?
What property of alumina is improved by adding sodium silicate?
What property of alumina is improved by adding sodium silicate?
