Chemical Engineering - Refractory Technology - Discussion


Magnesite chrome refractories

[A]. have better spalling resistance than chrome magnesite refractories.
[B]. have very low thermal co-efficient of expansion.
[C]. are not at all resistant to the corrosive action of iron oxide.
[D]. have very low (50 kg/cm2 ) cold crushing strength (C.C.S.), and can not be used in metalcase form.

Answer: Option A


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