Q.

Bell metal is made up of which two metals?


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a

Chinese clay and monazite

b

Bronze and tin

c

Tin and copper

d

None of the above  

answer is B.

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Detailed Solution

Bell metal is a bronze with a high tin concentration of 20–25 percent that is distinguished by its sonorous tone when struck. Statuary bronze, which contains lead and zinc admixtures and less than ten percent tin, is actually a type of brass (a copper-zinc alloy). In essence, bronze, the material used to make bells and gongs, is an alloy of copper and tin. Bell metal, which really is copper that includes 22–24 percent composition of tin, is widely used because it produces a pleasing sound when struck. A substance known as bell metal, often known as bell bronze, is used to make bells and associated musical instruments like cymbals. It is a type of bronze that normally has a 4:1 tin to copper ratio. Greater resonance and greater rigidity can be found in metal with a higher tin concentration.
 
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