Q. Cracks of a vertical nature and dark coloured fissures in a sample of hardened steel indicate that

(A) Steel has not been properly heated
(B) Steel has been burned
(C) Steel contains excessive alloying elements
(D) Steel has been properly hardened

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✅ Correct Answer: (B) Steel has been burned

Published by Mr. Dubey ⭐ 104.85K Points at 21-Sep-2023 06:47 pm in Metallurgy

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