Which of the following elements is not present in Duralumin?
(a) Al
(b) Zn
(c) Cu
(d) Mg
Metallurgy
01 Mark
(b) Zn
Explanation
Duralumin is an alloy composed mainly of:
- Aluminium (Al)
- Copper (Cu)
- Magnesium (Mg)
- Manganese (Mn)
Zinc (Zn) is not a constituent of duralumin.
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