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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