Q. Hardening by carburizing is limited to

(A) 2 mm
(B) 5 mm
(C) 0.05 mm
(D) Low specific heat of quenching oil

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✅ Correct Answer: (A) 2 mm

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 06:47 pm in Metallurgy

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