Chemical Engineering - Refractory Technology - Discussion

Discussion Forum : Refractory Technology - Section 1 (Q.No. 19)

Refractory Technology

19.

Thoria

has high fusion temperature (> 3000°C) but poor resistance to thermal shock.

has high resistance to basic slags.

which is expensive & radioactive, is used in crucibles for melting high purity metals.

all (a), (b) and (c).

Answer: Option

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