Question

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.

Posted under Basic Chemical Engineering

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

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