

McqMate
Q. |
During burning of grain boundaries |
A. | regions enriched in carbon are formed in first state of burning |
B. | non-oxidized cavities and blow holes are formed during second stage |
C. | iron oxide inclusions are formed in third stage |
D. | All of the above |
E. | Low specific heat of quenching oil |
Answer» D. All of the above |
View all MCQs in
MetallurgyNo comments yet