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The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?
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The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?
A. 0.2
B. 0.4
C. 0.6
D. 0.8
Correct Answer:
0.2
✔
Last Updated:
February 08, 2019