Firing of refractory brick is done to __________________?
Correct answer: B. All A., B. and C.
- A. Dehydrate the dried refractory
- B. All A., B. and C.
- C. Form ceramic bonds necessary for development of high crushing strength in the finished
- D. product
- E. Develop stable mineral forms in them
Explanation
Firing removes chemically bound water, develops stable mineral phases and produces the ceramic bonds responsible for the brick's high crushing strength. Thus all three stated purposes are included.
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