4722Chemical EngineeringMedium
Silica refractories________?
AAll A., B. and C.
BCannot be used in the dome of hot blast stoves
Ccrack when subjected to sudden change of temperature
DHave lower thermal conductivity than fireclay bricks
Correct answer
C. crack when subjected to sudden change of temperature
Explanation
The correct answer is crack when subjected to sudden change of temperature.