Q73
Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the
A.
Hearth of the blast furnace
B.
Nuclear reactors, missiles & space crafts
AnswerC.
Insulation of high temperature furnaces
D.
Roof of electric furnaces
Answer: Option B
Solution
Answer: Option B
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