The electric furnace used in the electric process to manufacture steel is lined with _________ material.
A. Basic refractory
B. Basic non-refractory
C. Acidic refractory
D. Acidic non-refractory
Answer:A
The electric furnace used in the electric process to manufacture steel is lined with _________ material.
A. Basic refractory B. Basic non-refractory C. Acidic refractory D. Acidic non-refractory