Multiple choice general knowledge

7075 is an aluminium alloy, with ..... as the primary alloying element.

  1. Inconel

  2. Lead

  3. Zinc

  4. Titanium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

7075 is an aluminium alloy with zinc as the primary alloying element (5.1-6.1%), along with magnesium (2.1-2.9%) and copper (1.2-2.0%). It is known for its high strength-to-weight ratio and is commonly used in aircraft structures and other high-stress applications.

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