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

Magnesite chrome refractories

Question

Magnesite chrome refractories

Options:

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
Answer: (a).have better spalling resistance than chrome magnesite refractories.

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