Question

alloys of which of the following metal are used for making aeroplanes and automobile engines copper​

Answer 1

Answer:

Among these, the 7075 Al alloy is most preferred by the aircraft industry. The composition of this specific Al alloy is 5.1–6.1% zinc, 2.1–2.9% magnesium, 1.2–2.0% copper and less than 0.5% of silicon, iron, manganese, titanium, chromium and other trace metals