Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the
Options
A. hearth of the blast furnace.
B. nuclear reactors, missiles & space crafts.
C. insulation of high temperature furnaces.
D. roof of electric furnaces.
Correct Answer
nuclear reactors, missiles & space crafts.
Refractory Technology problems
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1. Magnesite refractories are used for the construction of those furnaces, which are
Options
A. not required to resist the corrosive action of basic slag.
B. not subjected to fluctuation in temperature.
C. used for raising & maintaining high temperature.