Which of the following does not occur during firing/burning of refractories?
A. Removal of water of hydration
B. Vitrification
C. Decrease in crushing strength
D. Development of stable mineral form
Answer: Option C
This Question Belongs to Chemical Engineering >> Refractory Technology
Related Questions on Refractory Technology
Fusion point of an acidic refractory material is
A. Increased by the addition of basic oxides
B. Reduced by the addition of basic oxides
C. Not affected by the addition of basic oxides
D. Not affected by the addition of basic oxides
Which of the following is not a high alumina refractory material?
A. Kyanite
B. Sillimanite
C. Diaspore
D. Periclase
Magnesite refractories are generally not used in the
A. Electric furnace walls
B. Steel melting furnace
C. Open hearth furnace
D. Burning zone of cement kilns
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