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Q. |
If a medium carbon hardened steel shows pearlite structure it may be concluded that |
A. | Steel contains impurities |
B. | Presence of cementite |
C. | Steel has been quenched in oil |
D. | Steel has been quenched in water |
E. | Steel has been slowly cooled in furnace |
Answer» E. Steel has been slowly cooled in furnace |
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