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Q. |
Mild steel can be converted into high carbons steel by which of the following heat treatment process? |
A. | annealing |
B. | normalizing |
C. | case hardening |
D. | nitriding |
Answer» C. case hardening | |
Explanation: case hardening, also referred as carburizing increases carbon content of steel, thus, imparting hardness to steel. |
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