Question

the alloy used for making aircraft frames is
a) bronze
b) brass
c) duralumin
d) gun metal

Answer 1

Answer:

c) Duralumin is your answer

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Explanation:

Answer 2

Answer:

c) duralumin

Explanation:

7075 Al alloy

Among these, the 7075 Al alloy is maximum favored via way of means of the plane industry. The composition of this particular Al alloy is 5.1–6.1% zinc, 2.1–2.9% magnesium, 1.2–2.0% copper and much less than 0.5% of silicon, iron, manganese, titanium, chromium and different hint metals.

Aluminium alloys are used appreciably in plane because of their excessive strength-to-weight ratio. Duralumin is used for the manufacture of plane frames due to the fact duralumin may be very mild and possesses excessive tensile strength.

Aluminium is a robust and light-weight metallic. This weight of aluminium is nearly ⅓ rd the burden of steel. This lets in the plane to hold greater weight. The metallic aluminium is corrosion resistant and this guarantees the protection of passengers.

So, the answer is option c) Duralumin

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