A) Cu and Fe
B) Cu, Sn and Zn
C) Ni, Fe and Cr
D) Al and Mg Gun metal is the alloy of copper, zipc and tin. Their percentage are
Correct Answer: B
Solution :
Element Percentage Zn 88% Cu 2% Sn 10% Other alloys of copper are Brass (Cu + Zn) German silver (Cu + Zn + Ni) Bell metal (Cu + Sn)
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