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- Subject
- Refractory Technologychemical-engineering › refractory-technology
- Published
- 8 Mar 2019
- Last updated
- 28 May 2026
Explanation
Silica, fireclay, and high alumina refractories are considered acidic materials due to their chemical composition. Carbon black, however, is not categorized as an acidic refractory.
More Refractory Technology MCQs
Practice related questions from the same subject.
- 1.Identify the incorrect statement about ceramic materials:
- 2.Identify the incorrect statement from the options below:
- 3.Identify the incorrect statement regarding the electrical conductivity of refractory materials.
- 4.Identify the incorrect statement from the following options:
- 5.Identify the incorrect statement from the following options:
- 6.Identify the incorrect statement from the options below:
- 7.What is the chemical composition of carborundum, which is utilized in the production of crucibles for melting non-ferrous metals?
- 8.What does the permeability of bricks indicate?
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