

McqMate
Q. |
Maximum hardness that can be achieved in plain carbon steel is of the order of |
A. | There is no such limit for hardness |
B. | 100 - 150 Rockwell 'C' |
C. | 66 - 67 Rockwell 'C' |
D. | 50 Rockwell 'C' |
E. | 80-85 Rockwell 'C' |
Answer» C. 66 - 67 Rockwell 'C' |
View all MCQs in
MetallurgyNo comments yet