Duralumin which is used in making aero planes is an alloy consisting o – McqOptions

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1.	Duralumin which is used in making aero planes is an alloy consisting of _____?
A.	Aluminum & Copper
B.	Aluminum, Copper & Manganese
C.	Aluminum, Copper, Manganese & Magnesium
D.	Aluminum and zinc
Answer» D. Aluminum and zinc

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