Question

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?

a.

Zirconia

b.

Alumina

c.

Bakelite

d.

Tungsten carbide

Answer: (d).Tungsten carbide

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Q. In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?

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