Q. 'Age hardening' of duralumin is due to

(A) Copper
(B) Magnesium
(C) Both A & B
(D) Neither A nor B

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✅ Correct Answer: (C) Both A & B

Published by Ram Sharma ⭐ 193.88K Points at 27-May-2023 10:30 pm in Materials And Construction

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