Question: ‘Age hardening’ of duralumin is due to
[A].copper
magnesium
both (a) & (b)
neither (a) nor (b)
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.