Question

Bell bronze is an alloy containing _______

(a) 78% Cu, 22% Sn

(b) 95.5% Cu, 3% Sn, 1.5% Zn

(c) 95% Cu, 3% Si, 1% Mn, 1% Fe

(d) 75% Cu, 5% Sn, 18% Pb, 2% Ni

This question was addressed to me by my school teacher while I was bunking the class.

This intriguing question comes from Copper and its Alloys in portion Non Ferrous Materials of Engineering Material & Metallurgy

Answer 1

Correct choice is (a) 78% Cu, 22% Sn

The explanation is: Bell bronze is a hard and brittle alloy with a resonance ability. It consists of 78% copper and 22% tin. It is typically used for making bells.