Question:
Which of the following alloy contains Al, Cu, Mg and Mn?
Which of the following alloy contains Al, Cu, Mg and Mn?
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Duralumin is widely used in aircraft construction due to its high strength-to-weight ratio.
Updated On: Feb 18, 2026
- Babbitt metal
- Stainless steel
- Spiegeleisen
- Duralumin
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The Correct Option is D
Solution and Explanation
Step 1: Recall the composition of common alloys.
Different alloys are characterized by specific combinations of metals to obtain desired properties.
Step 2: Identify duralumin.
Duralumin is an alloy mainly composed of aluminium along with copper, magnesium, and manganese.
Step 3: Eliminate other options.
Babbitt metal contains tin, copper, and antimony.
Stainless steel contains iron, chromium, and nickel.
Spiegeleisen contains iron, manganese, and carbon.
Step 4: Conclusion.
Hence, the alloy containing Al, Cu, Mg, and Mn is duralumin.
Different alloys are characterized by specific combinations of metals to obtain desired properties.
Step 2: Identify duralumin.
Duralumin is an alloy mainly composed of aluminium along with copper, magnesium, and manganese.
Step 3: Eliminate other options.
Babbitt metal contains tin, copper, and antimony.
Stainless steel contains iron, chromium, and nickel.
Spiegeleisen contains iron, manganese, and carbon.
Step 4: Conclusion.
Hence, the alloy containing Al, Cu, Mg, and Mn is duralumin.
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