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Mechanical Engineering Mcqs

Dow metal contains____________________?

 (A)  94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe

 (B)  92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg

 (C)  90% aluminium and 90% copper

 (D)  90% magnesium and 9% aluminium with some copper

 (E)  90% magnesium and 10% tin

Submitted By :Ali Uppal

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