Duralumin is an alloy made up of aluminium and ___________.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e copper.
- Duralumin is a strong, lightweight alloy made up of aluminum and copper. It was discovered in 1910 by Alfred Wilm, a German metallurgist.
- Duralumin is relatively soft, ductile and easily workable under normal temperature. The alloy can be rolled, forged and extruded into various forms and products.