2313Chemical EngineeringMedium
Resistance to slag attack of a refractory ________?
ADepends on the nature of slag & refractory
BDecreases, if defective joints & cracks exist in the refractory
CDecreases at higher temperature
DAll A., B. and C.
Correct answer
D. All A., B. and C.
Explanation
The correct answer is All A., B. and C..